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How muscles are helpful for us?

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How muscles are helpful for us?

Posted by Ritik Varshney 4 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Meghna Thapar 4 years, 4 months ago

Muscles provide the tug on the bones needed to bend, straighten, and support joints. Muscles can pull on bones, but they can't push them back to their original position, so the muscles work in pairs of flexors and extensors. The extensor muscle relaxes and stretches as the flexor muscle contracts to bend the joint. Muscle is also very important to everyone because we need our muscles to survive. The heart is the strongest muscle in our body and is always looking to get stronger. Muscles enable us to be active and exercise. ... Aerobic exercise is where repetitive activity and large muscle movement is helping our muscles use oxygen.

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