can someone tell me what is the mechanism of respiration?
Taking in of oxygen-rich atmospheric air and exhaling out of CO2-rich alveolar air is known as pulmonary ventilation or breathing. For further details on the mechanism of respiration, kindly refer to lesson 2; Chapter 17 of our CBSE Grade XI biology study material. If you have any other doubts, do get back to us and we would be happy to help you. Till then enjoy your free trial period.