Transcript TPJ 3C1 Organ Systems Intro

Introduction to
Organ Systems
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Organ Systems

Cardiovascular

Respiratory

Nervous

Digestive

Muscular

Skeletal
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Cardiovascular System
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This system includes the heart and the blood vessels
Blood travels through the vessels to bring oxygen and
food to all cells
Erythrocytes

White blood cells
Blood also carries away the waste products of
metabolism
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Diagram of Human Heart
Aorta
Superior vena cava
Pulmonary artery
Left atrium
Right atrium
Mitral Valve
Tricuspid Valve
Left Ventricle
Right Ventricle
Anterior view
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Respiratory System
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Respiratory system provides oxygen to body cells and
removes carbon dioxide
It includes the lungs and the airways
Breathing, or external respiration, is the taking in of oxygen
and the giving off of carbon dioxide
Exhalation
Inhalation

Internal respiration refers to the gas exchange between the
blood and body cells
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Respiratory System Diagram
Nasal Passage
Pharynx
Larynx
Trachea
Bronchioles
Bronchus
Alveoli
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Nervous System
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Controls and coordinates conscious and unconscious
actions
Two major division of the Nervous System
 Central Nervous System (CNS): brain and spinal
cord
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Peripheral Nervous System (PNS): cranial nerves
and spinal nerves
Neurons (nerve cells) transmit electrical impulses
throughout the body
Neuroglia is the connective tissue that supports and
protects the nervous tissue
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Neuron Diagram
Dendrite
Cell body
Myelin sheath
Axon
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Node of Ranvier
Axon
terminals
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Diagram of Human Brain
Cerebrum
Thalamus
Hypothalamus
Midbrain
Pons
Corpus
callosum
Cerebellum
Medulla oblongata
Spinal cord
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Digestive System
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Responsible for the intake and breakdown of food,
absorption of nutrients, and removal of solid waste
Structures
 Gastrointestinal or GI tract (mouth, pharynx or
throat, esophagus, stomach, small intestine, large
intestine)

Accessory (teeth, tongue, mouth, salivary glands,
liver, gall bladder, pancreas)
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Human Digestive System Diagram
Mouth
Pharynx
Esophagus
Liver
Stomach
Large Intestine
Small Intestine
Villi
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Muscular System
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Parts of Muscular System
 Muscles
 Connective tissue
Functions of Muscular System
 Movement of skeleton
 Generate heat for the body
 Maintain posture
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Human Muscular System Diagram
Deltoid
Pectoralis major
Biceps brachi
Gluteus maximus
Rectus femoris
Gastrocnemius
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Skeletal System
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Parts of skeletal system
 bones

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
cartilage
joints
Functions of skeletal system
 Framework and support
 Protection
 Storage for excess calcium
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Human Skeleton Diagram
Skull
Scapula
Humerus
Ulna
Clavicle
Sternum
Ribs
Radius
Carpals
Metacarpals
Phalanges
Pelvis
Femur
Patella
Fibula
Tibia
Tarsals
Metatarsals
Phalanges
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