OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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60-80%
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50%
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25%
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90-95%
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Detailed explanation-1: -Up to 60% of the human adult body is water. According to Mitchell and others (1945), the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
Detailed explanation-2: -A normal human body contains 70% of water.
Detailed explanation-3: -Your body consists of up to 60 percent water. Water is essential for health-it helps to regulate temperature, hydrate skin, and lubricate joints. And there’s more-it helps maintain your blood pressure, flush body waste, and deliver oxygen throughout the body, among many other benefits.
Detailed explanation-4: -By weight, the average adult human is approximately 60% water, and the average child is approximately 70% water. There can be considerable variation in body water percentage based on a number of factors like age, health, water intake, weight, and sex.
Detailed explanation-5: -Total body water (TBW) is defined as the volume of water in a person’s body, which can be calculated by multiplying the percentage of water content multiplied by kilogram weight. Typically, adult male weight is 60% water, adult female 50-55%. A 70kg adult has approximately 40L of total body water content.