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Chapter 20 CS continued
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Define
1) arteries
2) veins
3) capillaries
1) Arteries carry blood away from the heart
2) Veins carry blood towards the heart
3) Capillaries connect veins and arteries to one another
What are the 3 layers of vessel walls?
1) Tunica interna
2) Tunica media
3) Tunica externa
Tunica interna
- Selective permeable membrane
- Secretes chemicals to vasodilate or contrict
- It can help repel platelets from sticking together unless injured or inflammed
Tunica media
- Is the thickest
Author
jess03
ID
9367
Card Set
Chapter 20 CS continued
Description
arteries veins and capillaries
Updated
2010-03-07T03:57:45Z
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