Which of the following is true about blood pressure?
a. it falls when the heart contracts.
b. artery walls to maintain pressure, even between heart beats.
c. it is not affected by atherosclerosis.
d. diastolic pressure is higher than systolic pressure.

Which of the following describes the rooting reflex? a. a newborn turns the face toward a touch on the cheek in search of food. b. a newborn will automatically suck on objects placed in the mouth like a bottle. c. newborn immersed in water will display something like movement. d. newborn curls a hand around an object that touches the palm

How harmful is it to smoke a pack of cigarettes a week?

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.