Question

Which is related to breathing?

• A. By placing lungs of the dead child in water.
• B. By dissecting the lungs.
• C. By checking glucose levels in the child's blood.
• D. There is no way to determine.

Answer 1

The correct option is C

By checking glucose levels in the child's blood.

Breathing is a physical process in which exchange of gases like oxygen and carbon dioxide takes place. It occurs outside the cells and enzymes are not involved. During breathing, energy is not released. Whereas during cellular respiration, enzymes take part and energy is released in a gradual and step-wise manner. Cellular respiration takes place inside the cells and is a chemical (or biochemical) process.