Question

Which single factor determining blood pressure is altered by heart activity?

Answer 1

Answer:

Cardiac output

Explanation:

Cardiac output is the term which is used in the cardiac physiology which describes that the volume of the blood being pumped by heart per unit time.

Cardiac output is product of heart rate, or number of the heart beats per minute and stroke volume which is volume of the blood pumped from ventricle per beat.

Because the cardiac output is related to quantity of the blood delivered to the different parts of body, Cardiac output is an important indicator of the heart'efficiency that whether it can meet body's demands for perfusion.