SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The organ that pumps blood through the circulatory system.
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kidney
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esophagus
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gall bladder
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heart
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Explanation:
Detailed explanation-1: -Heart, a muscular organ that pumps blood throughout your body. Blood vessels, which include your arteries, veins and capillaries.
Detailed explanation-2: -Your heart pumps blood around the body all the time-about five litres (eight pints) of it-and this is called circulation. Your heart, blood and blood vessels together make up your cardiovascular system (or heart and circulatory system).
Detailed explanation-3: -It pumps the blood to your lungs to collect a fresh supply of oxygen. The left side of your heart pumps the re-oxygenated blood round your body again.
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