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Question

Which of the life processes collectively constitute metabolism?


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Solution

Metabolism

  1. All the chemical reactions that occur inside every cell of an organism provide energy to carry out the vital processes and synthesis of new organic matter.
  2. Nutrition, Respiration, and Excretion collectively constitute metabolism.
  3. The process by which an organism uses food so that it can support its life is known as nutrition.
  4. The process by which oxygen is inhaled from the environment to the cells and carbon dioxide is removed from the cell into the environment is known as respiration.
  5. The process in which the metabolic waste is eliminated from the body of an organism is known as excretion.

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