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2007-05-02 04:53:48 · 2 answers · asked by janet_c_98 1 in Science & Mathematics Engineering

2 answers

This is much of the topic of medical biology and whole books are written. There are multiple systems (digestive, blood, lymph, respirations, disease fighting, injury recovery) and variations within those systems. You are going to have to be more specific.

2007-05-02 05:01:12 · answer #1 · answered by Mike1942f 7 · 0 0

By eating chicken

2007-05-02 11:59:01 · answer #2 · answered by chico 1 · 0 0

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