NCERT Solutions for Class 7 Science Chapter 11
Important NCERT Questions
7th Chapter 11 Transportation in Animals and Plants
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 11
Describe the function of the heart.
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The heart is an organ which beats continuously to act as a pump for the transport of blood, which carries other substances with it. The heart pumps the deoxygenated blood to the lungs for oxygenation and receives oxygenated blood from lungs. It pumps the oxygenated blood to different parts of the body.
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The heart acts as a vital pump in the body’s circulatory system. It pumps oxygen-rich blood to all parts of the body through arteries and receives oxygen-depleted blood back from the body, sending it to the lungs for re-oxygenation. This continuous circulation delivers oxygen and nutrients to organs and tissues while removing waste products. By regulating blood flow and pressure, the heart ensures proper distribution of essential substances throughout the body, supporting overall health and bodily functions.