The time when you begin to develop certain physical traits of your gender is

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription