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

Respuesta :

what is true about the blood pressure so B. is the right answer because the Artery walls help to maintain the blood pressure , even between the heart beats.