Question

maintenance process of our body require energy
where does the energy come from why do organism spend energy for maintenance process​

Answer 1

The energy comes through the food resource that we are eating.

We need to repair the damaged parts of our body ie.maintenance work so that our body and mind works fine.

Answer 2

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The energy required fopr the various life processes comes from food that we eat, mainly carbohydrates, proteins and fats. These are broken down during digestion into simpler components and the energy released is stored in the form of energy molecules called ATP.

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Hope it helps... ¯\_(ツ)_/¯