why does any animal grow old?
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Answered by
1
due to growing age they get old
hello143:
i am asking what happens at their molecular levels
Because it has life processes and every part of the muscles get tired after working for many years
does they become old only because their muscles get worn out?
Answered by
1
Because any animal in the land Wil be grow old and will be due soon it is a life process
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