ECOLOGY
EXCRETORY PRODUCTS AND THEIR ELIMINATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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90
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70
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85
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69
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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: -Which Organs In The Human Body Have A Higher Percentage Of Water? The organs in the human body with the highest percentages of water are the brain (80-85%), kidneys (80-85%), heart (75-80%), lungs (75-80%), liver (70-75%), muscles (70-75%), and skin (70-75%).
Detailed explanation-3: -Water, making up to nearly 70% of our body weight, is the most important essential nutrient that we cannot live without for more than a few days. In comparison to the other five essential nutrients–carbohydrates, fats, proteins, vitamins, and minerals, water plays a less obvious role.