Which of the following is a controllable risk factor of infectious diseases? a. drug abuse b. pollution c. air d. heredity

Which of the following is an important part of good posture? a. slumped shoulders b. arched back c. feet shoulder-width apart d. belly out

Which action occurs in the third stage of cell division a. the nuclear material of a cell is copied exactly b. the nuclear membrane disappears c. the cell forms two nuclei or d. the nuclear material separates, with half moving to wither side of the cell

If a doctor needs using a medical imaging machine, a might be called to assist the doctor.