Photosynthesis

Why is photosynthesis necessary in order in order for us to breathe?

Why is photosynthesis necessary in order in order for us to breathe?

Through photosynthesis, humans can again breathe in the oxygen that was produced and survive. ... In a way, they are a cycle — plants help humans breathe by providing us with oxygen, and humans help plants "breathe" by providing them with carbon dioxide.

  1. How is breathing related to photosynthesis?
  2. Why is photosynthesis important?

How is breathing related to photosynthesis?

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

Why is photosynthesis important?

Photosynthesis can be considered the fundamental life process for nearly all plants and animals. It provides the source of energy that drives all their metabolic functions and the oxygen required for respiration.

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