Which body part pulls air into the lungs and pushes it back out? stomach

liver

heart

diaphragm

Public health policy such as in munizations to children attending public schools have improved the wellness of communities identify another policy that has promoted health within our community

What is the most common blood type in the u. s.?

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.