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Why do organisms need food , water and air?
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Why do organisms need food , water and air?
1) food gives us energy to do various activities such as running , walking and raising our arm.....2) the main function of food is to help in growth....3) food gives us resistance to fight against many disease and infections .......4) food is also needed for replacement and repairing damaged parts of our body ......
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Why do organisms need food , water and air?
Why do organisms need food, water, and air?
Every organism needs food, water, and air to survive. Each of these elements provides essential nutrients and energy required for the body to carry out its physiological functions.
Food
- Food is a source of nutrients such as carbohydrates, proteins, fats, vitamins, and minerals.
- These nutrients are essential for the body to carry out metabolic processes and to provide energy for growth and repair of tissues.
- The body cannot produce all the necessary nutrients, so it must obtain them through food.
- A balanced diet is necessary to ensure that the body receives all the necessary nutrients in the right amounts.
Water
- Water is essential for the body to carry out many physiological functions, including digestion, absorption, and transportation of nutrients.
- It helps regulate body temperature and is necessary for the proper functioning of the kidneys and other organs.
- The body loses water through sweating, urination, and breathing, so it is important to continually replenish it.
- Dehydration can lead to serious health problems and even death.
Air
- Air is necessary for respiration, the process by which the body obtains oxygen and eliminates carbon dioxide.
- Oxygen is required for the production of energy through cellular respiration.
- Carbon dioxide is a waste product of cellular respiration and must be eliminated from the body.
- The respiratory system, which includes the lungs and airways, is responsible for exchanging gases between the body and the environment.
- Without air, the body would not be able to carry out cellular respiration and produce energy.
Conclusion
Food, water, and air are essential elements required for the body to carry out its physiological functions. Each of these elements provides essential nutrients and energy necessary for growth, repair, and maintenance of tissues. A balanced diet, proper hydration, and clean air are necessary to maintain good health and prevent disease.
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Why do organisms need food , water and air?
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Why do organisms need food , water and air? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why do organisms need food , water and air? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why do organisms need food , water and air?.
Why do organisms need food , water and air? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why do organisms need food , water and air? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why do organisms need food , water and air?.
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