Answer: Option C
Explanation: Respiration is the process that involves the exchange of gases. The oxygen from the mouth is move inside the body and the carbon dioxide from the body is moved out of the body by the process of diffusion.
The movement of the carbon dioxide gas out of the body follows a certain path inside the body.
This path starts from Alveoli → bronchus → trachea → larynx → pharynx → nose. This is how the carbon dioxide moves out of the body.
