Cells are the fundamental units of all living organisms. They are made up of a variety of chemical substances. Cells move from place to place. Even if the cell is not moving, a lot of repairing still goes on within it. Besides this, there are various specialized activities in our body, like the heart pumps blood, the kidney filters the urine, the brain is constantly thinking, the lungs help in breathing.
This way, there is a lot of interconnectedness between the various organs in our body. For all these activities, our body needs energy and raw material. Food is necessary for cell and tissue functioning. Therefore, if you are not well, all your bodily activities start getting hampered.

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