Multicellular organisms . are made of more than one cell
are made of only one cell
reproduce by mitosis
reproduce through the union of sperm and egg cells
have differentiated cells

Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline

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?

How could you find out if that advice is based in scientific evidence?