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प्रश्न
उत्तर
Water is necessary for our body because:
(i) Water acts as a solvent for many organic and inorganic compounds
(ii) Water facilitates the movement of food materials, waste products, and other chemical substances in the cytoplasm and circulatory process.
(iii) It plays an important role in regulating body temperature and osmotic pressure of the body fluids.
(iv) Water serves as a good medium for various metabolic reactions.
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संबंधित प्रश्न
List the six main purposes for which food is required by the body.
Explain the following term with an example:
Carnivore
Name the sources of the following:
Lactose
Carbohydrates and _______ provide _______ to our body.
Classify according to food-type.
Buffalo
Short Answer Type Questions:
Excess intake of fats is harmful to the body because it causes obesity. Would it be harmful to the body to take too much of proteins or vitamins in the diet?
Which of the following statement (s) is (are) true about the heart?
- Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs
- Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
Fill in the blanks of the paragraph given below with the words provided in the box.
Leaves have a green pigment called (a)______ which captures (b)______ from sunlight. This (c)______ is used in the process of (d)______ and along with other raw materials like (e)______ and (f)______ synthesize (g)______ .
Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomach ache and constipation. What are the food items that she should include in her diet to get rid of the problem? Give reason for your answer.
Try growing a sweet potato just in water. Describe your experiment and observations.
