What is the relationship between oxygen and carbon dioxide in the respiration process?

1 Answer
Jun 18, 2017

Humans breathe in oxygen and breathe out carbon dioxide. Plants take in carbon dioxide and release oxygen.


We breathe in oxygen which is used in aerobic respiration to get energy from glucose. Carbon dioxide is a waste product of cellular respiration .

In photosynthesis, producer use carbon dioxide to help create glucose, and the waste product is oxygen.