Blood vessels

Helps maintain high pressure in the arteries
Small Lumen
1 of 11
Do not have valves
Arteries
2 of 11
Has valves
Veins
3 of 11
What stops the blood from flowing backwards and prevents pooling - mostly in the legs
Valves
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What delivers blood to the capillaries
Arterioles
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Has a larger lumen so blood flows at a lower speed and pressure
Veins
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Blood feeds back from the capillaries to
Venules
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Smallest blood vessel - one cell thick
Capillaries
8 of 11
Capillaries have very thin cell walls to allow for
diffusion
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Blood in this vessel unloads oxygen and picks up carbon dioxide and latic acid (waste products of metabolism)
Capillaries
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Thick elastic and muscular walls to allow this vessel to contract and relax sending blood to all parts of the body
Artery
11 of 11

Other cards in this set

Card 2

Front

Do not have valves

Back

Arteries

Card 3

Front

Has valves

Back

Preview of the front of card 3

Card 4

Front

What stops the blood from flowing backwards and prevents pooling - mostly in the legs

Back

Preview of the front of card 4

Card 5

Front

What delivers blood to the capillaries

Back

Preview of the front of card 5
View more cards

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