1. The blood from the heart is transported to all parts of the body by the arteries. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    The blood from the heart is transported to all parts of the body by the arteries.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  2. When our cells perform their functions, certain waste products are released. These are toxic for our body and hence need to be removed from the body. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    When our cells perform their functions, certain waste products are released. These are toxic for our body and hence need to be removed from the body.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  3. 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 boRead more

    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.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  4. The presence of haemoglobin makes blood appear red. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    The presence of haemoglobin makes blood appear red.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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