blood and circulation

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  • Created by: EloiseTLC
  • Created on: 02-06-18 15:10
Where do arteries lead?
arteries lead away from the heart.
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where do veins lead?
Veins lead to the heart.
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where do capillaries take blood to?
capillaries take blood to body cells.
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what do veins contain?
ONLY veins contain valves.
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Why do capillaries have thin walls?
for efficient diffusion of gases.
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Why does heart rate increase with exercise ?
The heart rate increases, so blood can deliver more oxygen to the muscle cells. Muscle cells require more oxygen for respiration so more energy can be released for muscle contraction.
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Other cards in this set

Card 2

Front

where do veins lead?

Back

Veins lead to the heart.

Card 3

Front

where do capillaries take blood to?

Back

Preview of the front of card 3

Card 4

Front

what do veins contain?

Back

Preview of the front of card 4

Card 5

Front

Why do capillaries have thin walls?

Back

Preview of the front of card 5
View more cards

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