OVERVIEW OF THE IMMUNE SYSTEM
LYMPHATIC TISSUES AND ORGANS
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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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The heart circulates blood and oxygen throughout the body.
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The heart is the control centers for all body activities.
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The heart gets rid of the wastes in your body produced by homeostasis.
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The heart transports, protection and regulation. Blood transports the following substances:
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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.
Detailed explanation-2: -The heart’s role is to pump oxygen-rich blood to every cell in the body. The blood vessels-a network of interconnecting arteries, arterioles, capillaries, venules, and veins-provide the pathway in which blood travels.
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