Question

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

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

Answer 1

The correct option is B 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.