Use the drop-down menu to select the answer that completes each sentence. Pulse is the rhythmic of an artery that occurs as the heart beats. Respiration rate is the number of per minute. Diastolic pressure is the blood pressure measured during diastole, which is that phase of heart activity when it is . Blood pressure is the force exerted by blood against the . Systolic pressure is the blood pressure measured during systole, which is that phase of heart activity when it is .
Selection 4:blood vessel walls