Transcript Today is Thursday, September 27, 2012

Today is Thursday, September 27, 2012
Homework:
- Read Chapter 3, Lesson 2 for tomorrow
-Chapter 3 Packet (Due SATURDAY)
-Complete heart diagram
Warm-Up: Copy the following definitions into your notebook…..
RBC = Red Blood Cell, transports oxygen, nutrients,
carbon dioxide, and other waste.
WBC = White Blood Cell, fights germs (literally eats them).
Platelets = Parts of cells that clot the blood, cause scabs,
help in the healing process.
Plasma = The liquid part of your blood that carries the
blood cells (REMEMBER, MOST OF YOUR BODY IS
WATER).
Warm-Up: Copy the following definitions into your notebook…..
• RBC = Red Blood Cell, transports oxygen,
nutrients, carbon dioxide, and other waste.
• WBC = White Blood Cell, fights germs (literally
eats them).
• Platelets = Parts of cells that clot the blood,
cause scabs, help in the healing process.
• Plasma = The liquid part of your blood that
carries the blood cells (REMEMBER, MOST OF
YOUR BODY IS WATER).
Parts of the circulatory system
Part of the
circulatory
system?
Artery
Transports
blood?
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
Goal
• SWBAT Demonstrate an understanding of
the structure and function of the circulatory
system by taking notes and discussing this
system. Today’s focus will be blood
vessels and the heart.
Review from yesterday…..
What was making the
tooth pick on your wrist
twitch?????
Parts of the circulatory system
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
NO
NO
Capillary Yes
Yes
NO
YES
Vein
Yes
*Yes* NO
Artery
Yes
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
(because valves
are present)
Valve
Yes
NO
Yes
NO
Parts of the circulatory system
Artery
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
Keeps
blood
flowing in
one
direction?
NO
Smallest
blood
vessel
NO
- Thick walls
-Under extreme pressure from heart (remember,
the heart is the central pump for the whole system)
- If artery is cut you will bleed out and die very
quickly – blood can shoot out of your body up to
one or two meters
- Job is to take oxygen-rich blood away from your
heart and into all parts of your body
-Protected deep in body
Parts of the circulatory system
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
NO
NO
Capillary Yes
Yes
NO
YES
Vein
Yes
*Yes* NO
Artery
Yes
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
(because valves
are present)
Valve
Yes
NO
Yes
NO
Parts of the circulatory system
Part of the
circulatory
system?
Capillary Yes
Transports
blood?
Yes
Keeps
blood
flowing in
one
direction?
NO
Smallest
blood
vessel
YES
-Smallest blood vessel in your body
-Capillaries in the lungs are only ONE RED
BLOOD CELL (RBC) WIDE.
-Incredibly small
-Oxygen/nutrient and carbon dioxide/waste
exchange occurs in capillaries
Parts of the circulatory system
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
NO
NO
Capillary Yes
Yes
NO
YES
Vein
Yes
*Yes* NO
Artery
Yes
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
(because valves
are present)
Valve
Yes
NO
Yes
NO
Parts of the circulatory system
Vein
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
Keeps
blood
flowing in
one
direction?
*Yes*
Smallest
blood
vessel
NO
(because valves
are present)
- Generally near the outside of body
- Have thinner walls than arteries
- Not under as much pressure as arteries
- If you cut a vein, you will bleed, but blood will not come
shooting out
- Veins have valves to prevent backwards flow of blood
- Veins are blue or purplish blue because blood in the veins is
full of carbon dioxide
Parts of the circulatory system
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
NO
NO
Capillary Yes
Yes
NO
YES
Vein
Yes
*Yes* NO
Artery
Yes
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
(because valves
are present)
Valve
Yes
NO
Yes
NO
Parts of the circulatory system
Valve
Part of the
circulatory
system?
Transports
blood?
Yes
NO
Keeps
blood
flowing in
one
direction?
Yes
Smallest
blood
vessel
NO
- Valves are flaps of skin that prevent the
backwards flow of blood
- Found in veins and between the chambers
of the heart
Parts of the circulatory system
Part of the
circulatory
system?
Transports
blood?
Yes
Yes
NO
NO
Capillary Yes
Yes
NO
YES
Vein
Yes
*Yes* NO
Artery
Yes
Keeps
blood
flowing in
one
direction?
Smallest
blood
vessel
(because valves
are present)
Valve
Yes
NO
Yes
NO
Review
Types of Blood Cells
Review
• RBC = Red Blood Cell, transports oxygen, nutrients,
carbon dioxide, and other waste
• WBC = White Blood Cell, fights germs (literally eats
them)
• Platelets = Parts of cells that clot the blood, cause
scabs, help in the healing process
• Plasma = The liquid part of your blood that carries
blood cells (REMEMBER, MOST OF YOUR BODY IS
WATER)
-RIGHT ATRIUM
Collects blood full
of carbon dioxide
and other waste
from body from
Vena Cavas.
Right Ventricle
Collects blood from Right Atrium
and pumps it to the Pulmonary
Artery, which leads to the lungs. In
the lungs carbon dioxide will be
removed and oxygen will be added.
Only artery in your body that
contains carbon dioxide rich blood.
Left Atrium
Collects oxygen rich blood
from the Pulmonary Veins.
Pulmonary Veins are the
ONLY veins in your body that
carry oxygen-rich blood!!!!!!
Left Ventricle
Collects oxygen rich blood from
the Left Atrium and pumps it into
the Aorta, your body’s largest
artery, which will carry it out into
your body.
The Goal….AGAIN!!!!
• SWBAT Demonstrate an understanding of
the structure and function of the circulatory
system by taking notes and discussing this
system. Today’s focus will be blood
vessels and the heart.
Turn to your shoulder partner….
…..and tell them one
thing you learned
today about the
circulatory system.
Right now….
• Complete handout
• Draw a picture of the human heart in your
OWN SCIENCE NOTEBOOK. Please
label your diagram.