Topic: Food Energy and Respiration Subtopic: Introduction
What are by-products of respiration?
Answer: There are two major by-products of respiration i.e. Carbon dioxide (CO2) and water (H2O). Carbon dioxide is given out when we exhale air and water is excreted in different ways e.g. sweating, exhaling, urinating and egesting.
Learn also:
- What are bad effects of smokers cough?
- Why are Villi essential?
- Why is thrombosis dangerous?
- What are by-products of respiration?
- What is sequence of transport of food?
- After digestion in stomach where does food move?


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