Which skill is require in advocy

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.

One way to take a more active role in your health is to schedule an appointment for a physical

First to answer will be the brainliest i need the answer asap