Question

what are the functions of the integumentary system? protection temperature regulation sensation all of the above

Explanation:

The integumentary system, which includes skin, hair, nails, etc., protects the body from pathogens and physical damage, helps regulate body - temperature through sweating and blood - vessel dilation/constriction, and contains sensory receptors for touch, pain, etc. So all the given options are functions.

Answer:

D. All of the above