AP BIOLOGY

ANIMAL PHYSIOLOGY

HUMAN CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A human body in average has
A
1-2 litres of blood
B
3-4 litres of blood
C
4-6 litres of blood
D
2-3 litres of blood
Explanation: 

Detailed explanation-1: -The plasma works as a matrix of the blood. An adult human has approximately 65-70 ml of blood per kg of body weight. Therefore, humans have around 5 liters of blood in their bodies. The volume of blood is approximately 5.5 liters in each adult male and 4.5 liters in female.

Detailed explanation-2: -The amount of blood circulating within an individual depends on their size and weight, but the average human adult has nearly 5 liters of circulating blood.

Detailed explanation-3: -Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute.

Detailed explanation-4: -Adults: The average adult weighing 150 to 180 pounds should have about 1.2 to 1.5 gallons of blood in their body. This is about 4, 500 to 5, 700 mL.

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