Fingernails grow from the matrix. The nails are composed largely of keratin, a hardened protein. As new cells grow in the matrix, the older cells are pushed out, compacted and take on the familiar flattened, hardened form of the fingernail.. :3
A claim of effortless weight loss.
this is called acquired immunity
Question 4: true!
question 5: i would say lifting weights is the correct answer.
False
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