I read that metabolism rate affects how fast food is being converted to energy & proteins, how do large animals grow so big when they have slow metabolism rate yet not considered to be fat?
Because skinny people are usually associated with high metabolism rate, while fat people with low, but if skinny people have high metabolism, does it not mean that they have more energy & protein which mean they should be growing more muscle instead of being skinny?
And how do we explain big animals like elephant & giraffe (big but not fat) with slow metabolism rate (and probably big appetite & less physically active) can grow so big but not fat?
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