Transcript 3.5.3 Responses in the Human * Nervous System

3.5.3 Responses in the Human –
Nervous System
Follow-Me – iQuiz
Q. True or False. Motor neurons conduct impulses towards the
central nervous system.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is a neuron?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Briefly explain the role of neurotransmitter substances.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State a function for the Myelin sheath.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Give a function of dendrites.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is a sensory neuron?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State a function for Schwann cells.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is the central nervous system?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. TRUE or FALSE. A motor neuron carries impulses to the brain.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is peripheral nervous system?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is a motor neuron?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Give one way in which a nervous response differs from a
hormonal response.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State one function of the cerebrum of the brain.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is grey matter?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What are interneurons or association neurons?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State one function of the hypothalamus of the brain.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What is white matter?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State one function of the cerebellum of the brain.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. What term is used for glands that secrete hormones?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. State one function of the medulla oblongata of the brain.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Name the small gaps between neurons.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Neurons produce neurotransmitter substances. What is their
function?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Give an example of a reflex action in humans.
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
Please CLICK on
THIS BOX
for the Next Question
Q. Why are reflex actions important in humans?
Brain and spinal cord
Homeostasis; Endocrine
function
Nerve that carries impulse
away from CNS to effector
Carries impulse across
synaptic cleft, triggers
impulse in next neuron
Insulation; Protection;
Speeds impulse
Nerve that carries impulse
from receptor towards CNS
Carry impulse across
synapse
Involuntary muscle
control
Nerves leading to and from
CNS; Nerves not in CNS
Cell bodies of neurons;
Few axons; Little myelin
Knee-jerk
Nerves that link two
neurons
Endocrine
Language; Reason; Senses;
Memory; Intelligence
Produces myelin sheath
FALSE
Many axons; Much
myelin; Few cell bodies
Receives and carries
impulses to the cell body
Fast response; Defence
against injury
Movement; Balance;
Coordination
Synaptic cleft; Synapse
Faster; Shorter-lived;
Electrical in nature
Nerve cell
TRUE
CONGRATULATIONS
You’re Brilliant
Incorrect
Please CLICK on
THIS BOX
to Try Again