Oxygen-poor blood is carried through systemic veins from the body tissues back to the heart. true or false

What is a negative influence on community health? a: national health debt b: citizens who drive unsafely c: unreliable public transportation d: stores that sell tobacco to minors

Which of these example of a hereditary risk factor? smoking, eating junk food everyday, being a couch potato, having fair skin that is prone to sunburn

Getting enough vitamin a during childhood can prevent blindless