2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
ACTIVITY 3A
VEIN
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Vein
Artery
Capillary
Part 3: Venn Diagram
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ARTERY
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CAPILLARY
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INFLAMM-O-WARS
LESSON 3
43
Part 3: Points To Ponder During Simulation
Card 1
Question 1: Remember that the endothelial cells work like a gate
and allow substances to go in and out of the vessel.
a. What type of layers do the capillaries have?
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b. What about the functions of those layers?
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c. How are capillaries designed to help oxygen molecules diffuse?
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Card 2
Question 2: As the veins leading to the heart become larger, more and more
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b. How is the vein designed to help get oxygenated red blood cells to the heart so they
can be pumped to all parts of the body?
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2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
LESSON 3
ACTIVITY 3A
INFLAMM-O-WARS
oxygenated red blood cells can fit through.
a. Why do you think it is important for more oxygenated red blood cells to fit through
the vein leading to the heart?
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44
Card 3
Question 3: Write the pathway through which oxygenated red
blood cells flow on their way to the body cells.
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Card 4
Question 4: Look closely at the arteries leaving the heart.
a. How are the artery layers designed to help blood move from the heart to all parts of
the body?
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b. Can oxygenated blood get through to the surrounding tissue through the artery?
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c. Why or why not?
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d. When our heart is pumping blood, the blood keeps moving; where does it go after it
leaves the large arteries attached to the heart?
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LESSON 3
2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
ACTIVITY 3A
INFLAMM-O-WARS
_____________________________________________________________
45
e. How do the oxygenated red blood cells fit through the large arteries? Why
do you think this design is important?
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Card 5
Question 5: Carefully observe the capillaries and the body cells around them.
a. How are the capillaries designed to help oxygen diffuse into the body cells?
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b. What do you notice about the location of the body cells and capillaries?
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c. Why do you think this arrangement is important in allowing the exchange of O2
and CO2?
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Question 6: Observe the Glucose Disc carefully.
a. What is produced when the glucose molecule is broken down?
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b. ATP is a molecule that allows cells to use energy from glucose; how many ATP
molecules were produced from one glucose molecule?
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2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
LESSON 3
ACTIVITY 3A
INFLAMM-O-WARS
Card 6
46
c. How many molecules of water were produced from the breakdown of
one molecule of glucose?
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d. How many molecules of carbon dioxide molecules were produced from the breakdown of one glucose molecule?
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Card 7
Question 7: Observe the capillaries and body cells carefully.
a. How are the capillaries and body cells designed to help our body get rid of carbon
dioxide waste?
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b. Why is it important for the capillaries to allow only one red blood cell at a time
through?
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Card 8
Question 8: Once the deoxygenated red blood cells leave the capillaries, where
will they go next?
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LESSON 3
2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
ACTIVITY 3A
INFLAMM-O-WARS
____________________________________________________________________________
47
Card 9
Question 9: Observe the pathway and the structure of the
blood vessels.
a. What happens to the number of deoxygenated red blood cells as they
move through the veins back to the heart?
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b. Why is this important?
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c. Trace the movement of the deoxygenated red blood cells as they move through
the heart.
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d. What happens to the deoxygenated red blood cells as they reach the lungs?
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e. How does carbon dioxide get from the blood to the alveoli of the lungs?
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f. What will happen to the carbon dioxide once it leaves the blood and enters the lungs?
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LESSON 3
2007 PROTOTYPE
Positively Aging®/M.O.R.E.
2007©The University of Texas Health Science Center at San Antonio
ACTIVITY 3A
INFLAMM-O-WARS
____________________________________________________________________________
48