If heart disease runs in your family, what should you do?

Oxygen passes through capillary walls and into interstitial space where cells absorb ? a. nitrogen, b. oxygen, c. carbon dioxide, d. metabolic waste

Alcohol is a dangerous drug because it a can change the way the mind and body function. b changes the way you look to other people. c makes you believe you are invincible. d cannot absorb into the bloodstream.

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