Nails Consist Mainly of _______

Q21: Located within the skin, _ detect touch,

Q22: As _ of sweat occurs, the body

Q23: _, also known as oil glands, are

Q24: The skin contains a compound that is

Q25: Beneath the skin is an underlying _

Q27: New epidermal cells are pushed to the

Q28: _ excrete excess water and some wastes

Q29: Tiny bundles of _ muscles contract in

Q30: The inner layer of the skin is

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