SSC
BIOLOGY
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: -Your heart pumps blood around the body all the time-about 5 litres (8 pints) of it. This is called circulation. Your heart, blood and blood vessels together make up your cardiovascular system (or heart and circulatory system).
Detailed explanation-2: -The purpose of your heart is to pump blood to the organs and tissues of your body that need the oxygen and nutrients it carries. Oxygen-rich blood is pumped out of the left side of your heart (shown on the right in the diagram) into the arteries to these tissues and organs.
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