GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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5%
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7%
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15%
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30%
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Detailed explanation-1: -The amount of blood in a person’s body will depend on their age and size, but it is around 7–8% of an adult’s body weight.
Detailed explanation-2: -Blood is a significant part of transport system in our body, and we need blood for the following reasons: It transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the lungs to the cells of the body. It also helps in removal of wastes from the body.
Detailed explanation-3: -Scientists estimate the volume of blood in a human body to be approximately 7 percent of body weight. An average adult body with a weight of 150 to 180 pounds will contain approximately 4.7 to 5.5 liters (1.2 to 1.5 gallons) of blood.