Question

We ‘breathe out’ to remove waste product and _________ from our body.

Answer 1

Breathing:

1. The process, by which air is drawn in from the atmosphere into the lungs and forced out from the lungs back into the atmosphere is known as breathing.
2. One complete breath involves two phases- inspiration and expiration.
3. During inspiration, oxygen is inhaled and during expiration, carbon dioxide is exhaled out.
4. Carbon dioxide is produced in the body during the process of oxidation of food molecules(glucose).

Final answer:
We ‘breathe out’ to remove the waste product and carbon dioxide from our bodies.