EXCRETORY SYSTEM
KIDNEY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The job of the heart is to . . .
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pump blood around the body.
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send food to the small intestines.
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break down food.
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give energy to the body.
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Explanation:
Detailed explanation-1: -Each day, your heart beats around 100, 000 times. This continuously pumps about five litres (eight pints) of blood around your body through a network of blood vessels called your circulatory system. This blood delivers oxygen and nutrients to all parts of your body to help your organs and muscles work properly.
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