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Blood performs several vital functions within the body. Red blood cells carry oxygen which is necessary for the tissues of the body to remain alive and functional. White blood cells provide antibodies which fight infection and illness. Finally, platelets in the blood work to clot in order to stop unnecessary bleeding in the case of injury.

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βˆ™ 10y ago
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βˆ™ 9y ago

your blood goes through out your body delivering nutrients
There are many:-

Transporting hormones round the body

Transport glucose and oxygen to different parts of the body.

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βˆ™ 12y ago

Red blood cells carry oxygen from the lungs to the body, white blood cells act as the immune system by ´eating´ bacteria , and the blood also carries CO2 and wastes back to the lungs to have it breathed out.

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βˆ™ 15y ago

It delivers oxygen from the lungs to the organs and muscles and brings CO back to the lungs to be exhaled.

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βˆ™ 9y ago

The blood transports food, oxygen, and wastes to body cells. It transports hormones and immune cells and materials. It maintains body temperature.

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Q: What does the blood do?
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