What are main valves in the cardiovascular system? check all that apply.
capillary
aortic
tricuspid
mitral
platelet
pulmonary
plasma

If a woman exercises 25 minutes each day, which is true, according to physical activity recommendations? a. she is exercising too much. b. she is exercising too little. c. she is exercising enough. d. it depends on the woman's level of activity.