Question

What is the role of respiration in the process of digestion?

• A. It helps in oxidising the food.
• B. It helps in the olfaction.
• C. It removes carbon dioxide.
• D. It protects from the microbes.

Answer 1

The correct option is A It helps in oxidising the food.

Respiration is the process of oxidation of food to release energy. Nutrients in the cells are oxidised by the supply of oxygen which is provided to the cells by the process of respiration.