Utilization of O2 by the cells to derive energy from nutrients for performing various activities and resultant release of CO2 as by-produced is called
Name of the process | By-product |
Breathing | CO2 |
Cellular respiration | CO2 + H2O+ 38 ATP |
Pulmonary ventilation | Commonly known as breathing, so as breathing the by-product is CO2 |
Fermentation (takes place in anaerobic condition) | Ethanol + CO2 (alcohol fermentation) Lactate (lactic acid fermentation). |