The heart pumps about ..... liters of blood a day and contracts about ..... times in a lifetime.

BLOOD PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The heart pumps about ____ liters of blood a day and contracts about ____ times in a lifetime.

A	1, 200 liters; 2 billion
B	1, 000 liters; 1 billion
C	3, 000 liters; 2 billion
D	7, 000 liters; 2.5 billion

Explanation:

Detailed explanation-1: -An average human heart pumps about 7, 570 litres of blood everyday and expands and contracts about 1, 00, 000 times daily. In a 70-year lifetime, the average human heart beats more than 2.5 billion times. The heart comprises four chambers, which pump blood through the circulatory system in the body.

Detailed explanation-2: -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. Please see AHA/ASA Multimedia Materials Usage Policy.

Detailed explanation-3: -It can move 5 to 7 liters of blood in one minute and 7600 liters (2000 gallons) per day. In a lifetime, it beats over 2.5 billion times and pumps over 200 million liters of blood. Infants have slightly faster heart beat than an average person, their heart beats 120 times per minute.

There is 1 question to complete.