PATHOLOGY

Detailed explanation-1: -On average, it takes about 45 seconds for blood to circulate from the heart, all around the body, and back to the heart again. An average adult’s heart beats more than 100, 000 times a day.

Detailed explanation-2: -The blood enters the heart’s right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs. The pulmonary artery then carries the oxygen-poor blood from your heart to the lungs. Your lungs add oxygen to your blood.

Detailed explanation-3: -The heart does more physical work than any other muscle in the body. The average heart pumps 2, 000 gallons of blood per day! In a 70-year lifetime, an average human heart beats more than 2.5 billion times.