The correct answer is (c) 65%.
Water is the most abundant substance in the human body, making up about 65% of our total body weight. It is found in every cell and tissue, and plays a vital role in many important bodily functions, including:
- Regulating body temperature
- Transporting nutrients and oxygen to cells
- Removing waste products from the body
- Lubricating joints
- Protecting organs and tissues
Water is essential for good health, and it is important to drink plenty of fluids to stay hydrated. Adults should aim to drink about 8 glasses of water per day, or more if they are active or live in a hot climate.
Option (a) is incorrect because the percentage of water in an adult human body is around 65%, not 10%.
Option (b) is incorrect because the percentage of water in an adult human body is around 65%, not 30%.
Option (d) is incorrect because the percentage of water in an adult human body is around 65%, not 75%.