True or false what would be the answer

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.

What type of medicine to people take if they are lactose intolerance

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous