Answers

2015-10-24T18:28:16+05:30
The rate of heart beat is less in animals with more weight body. This is because as the size of the body is more the size of heart is also more because of this, the process of purification of blood takes place slowly and takes more time to reach the heart and all the body parts because of this reason the rate of heart beat is less in animals with more weight body.
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can u write it shot
It's simply that the blood takes more time to reach heart because of large size of body
hmmmm
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