Tiny Bundles of _______ Muscles Contract in Response to Cold

Q24: The skin contains a compound that is

Q25: Beneath the skin is an underlying _

Q26: Nails consist mainly of _.<br>A) compressed keratin<br>B)

Q27: New epidermal cells are pushed to the

Q28: _ excrete excess water and some wastes

Q30: The inner layer of the skin is

Q31: Together with its glands, hair, and nails,

Q32: The _ is the body's tough, outer

Q33: The part of the hair above the

Q34: The patterns of ridges and grooves visible