Biology Keywords (Circulation)

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What do the red blood cells transport?
Oxygen.
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What do white blood cells do?
Protect against disease.
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What do platelets do?
Help the blood to clot.
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Name 4 features of red blood cells.
No nucleus, small size, fattened disc shape and contains haemoglobin.
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Name 4 substances that plasma carries.
Hormones, antibodies, waste products and nutrients.
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What does an artery do?
Pump blood away from heart at high pressure.
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What do capillaries do?
Allow exchange of materials between blood and tissues.
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What do the veins do?
Return the blood to the heart at a low pressure.
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Which side of the heart pumps blood to the lungs?
The right side.
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Which side of the heart pumps blood to the rest of the body?
The left side.
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What are the 4 main blood vessels of the heart?
Vena cava, pulmonary artery, pulmonary vien and the aorta.
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What do the left and right atria do?
Receive blood from veins.
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What do the left and right ventricles do?
Pump blood into arteries.
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What do the valves do?
Stop blood flowing backwards when heart relaxes.
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Name 2 features of the arteries.
Thick outer walls and thick layers of muscle/elastic fibres.
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Name 3 features of the veins.
Thin walls, a large lumen (inside diameter) and valves.
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Other cards in this set

Card 2

Front

What do white blood cells do?

Back

Protect against disease.

Card 3

Front

What do platelets do?

Back

Preview of the front of card 3

Card 4

Front

Name 4 features of red blood cells.

Back

Preview of the front of card 4

Card 5

Front

Name 4 substances that plasma carries.

Back

Preview of the front of card 5
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