Drinking water is essential for maintaining the balance of bodily fluids, which helps in various functions, including digestion, absorption, circulation, creation of saliva, transportation of nutrients, and maintenance of body temperature.
MCQs
1. What is one of the roles of water in the body?
A) To create new cells
B) To transport nutrients
C) To strengthen bones
D) To store vitamins
Answer: B) To transport nutrients
Explanation: Water plays a crucial role in the transportation of nutrients to different parts of the body, which is essential for health and the proper functioning of organs.
2. Drinking water helps in the creation of which bodily fluid?
A) Blood
B) Saliva
C) Lymph
D) Bile
Answer: B) Saliva
Explanation: Water is a key component in the production of saliva, which is necessary for digestion, maintaining oral health, and preventing tooth decay.
3. How does water contribute to regulating body temperature?
A) By causing perspiration
B) By increasing body fat
C) By reducing metabolism
D) By generating heat
Answer: A) By causing perspiration
Explanation: Water helps in regulating the body’s temperature through perspiration. When the body heats up, it produces sweat, which is made up of water. As the sweat evaporates from the skin, it cools down the body.
4. What is not a function of water in the body?
A) Enhancing muscle growth
B) Regulating body temperature
C) Transporting nutrients
D) Producing energy
Answer: D) Producing energy
Explanation: While water is essential for many bodily functions, it does not directly produce energy. Energy production is primarily the role of nutrients such as carbohydrates, fats, and proteins.
5. How does water impact the digestion process?
A) By breaking down food molecules
B) By absorbing fats
C) By facilitating the movement of food through the digestive tract
D) By converting food into energy
Answer: C) By facilitating the movement of food through the digestive tract
Explanation: Water aids in digestion by helping to dissolve minerals and other nutrients, making them more accessible to the body. It also helps move food through the digestive tract more smoothly, reducing the risk of constipation.
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