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vesna_86 [32]
3 years ago
8

Please answer !!!! Need now !

Biology
1 answer:
Ksju [112]3 years ago
5 0
Number 39) is Keratin. and 40) is either c or d im not quite sure sorry
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One physical difference between the hands and feet is that the human hands appear to be more flexible than our feet. Also, in terms of size, our feet are smaller than our hands.

Let's assume that our feet become as flexible as our hands and the hands less flexible, it would affect the function they perform.

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