BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the main function of the heart?
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To prevent blood from moving in the wrong direction
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To regulate body temperature
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To pump blood throughout the body
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To replace oxygen with carbon dioxide
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Explanation:
Detailed explanation-1: -It pumps blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.
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