Which of the following is true about blood pressure?
AIt falls when the heart contracts.
BArtery walls help to maintain pressure, even between heart beats.
CIt is not affected by atherosclerosis.
DDiastolic pressure is higher than systolic pressure.
AIt falls when the heart contracts.
BArtery walls help to maintain pressure, even between heart beats.
CIt is not affected by atherosclerosis.
DDiastolic pressure is higher than systolic pressure.