Biology

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  • Created by: malikbu98
  • Created on: 05-05-14 12:06
What are the three major types of blood vessels
Arteries, Veins and Capillaries
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What do arteries do?
Carry the blood away from the heart to body cells
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Veins
1)They carry blood back to the heart. 2) The blood is at lower pressure in the veins therefore the walls aren't as thick. 3) they have a bigger lumen than arteries to help blood flow more easily. 4)Finally they have valves
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capillaries
They are branches of arteries that are extremely small. They carry blood really close to every cell in the body and supply them with nutrients and oxygen and take away wastes such as CO2. this can happen as there walls are only once cell thick.
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Arteries
Carry the blood away from the heart to body cells to body cells. it comes out of the heart at a high pressure therefore the walls have to be strong and elastic. they are much thicker than walls of veins
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Other cards in this set

Card 2

Front

What do arteries do?

Back

Carry the blood away from the heart to body cells

Card 3

Front

Veins

Back

Preview of the front of card 3

Card 4

Front

capillaries

Back

Preview of the front of card 4

Card 5

Front

Arteries

Back

Preview of the front of card 5

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