Question

integumentary system
hair
hair is made up of protein, fat, and water. hair grows from follicles in the subcutaneous fat layer of the skin. hair helps the body protect the skin, regulate body temperature, get rid of sweat and other wastes, and help nerves to sense things around the body.
nails
finger and toenails have different parts. the nail plate is the part of the nail that we can see. the nail bed lies below the nail plate. finally, the cuticle is a line of tissue found at the nail base and covers the nail plate. nails are an important part of the integumentary system because they protect the fingers and toes from injury, and they also help the sense of touch.
how does hair help the human body? insert text here
circle the three parts of a nail
underline two jobs the nail has.

Explanation:

Hair helps protect skin, regulate temperature, excrete waste, and aid nerve - sensing. Nails have three parts (nail plate, nail bed, cuticle) and two jobs (protect fingers/toes and aid touch).

Answer:

How hair helps the human body: Hair helps the body protect the skin, regulate body temperature, get rid of sweat and other wastes, and help nerves to sense things around the body.
Three parts of a nail: Nail plate, nail bed, cuticle.
Two jobs of the nail: Protect the fingers and toes from injury, help the sense of touch.