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InterviewSolution
| 1. |
why we get tired after vigorous exercise ? |
| Answer» After a vigorous exercise,our body temperature tends to rise so much and our sweat glands of the body give out sweat on our skin.When this sweat evaporates,it takes out the latent heat of vaporisation from our body.This keeps our body cool.This is called perspiration.Perspiration is our body\'s method of maintaining a constant temperature. | |