Breathing is a part of which of the following processes?
Excretion
Respiration
Respiration(or ventilation) is the source of energy for all living beings. Breathing is the activity by which all the human beings take in and give out air. It is a part of respiration. The same is photosynthesis for plants and chemosynthesis for the plants which do not get sunlight. Ventilation (physiology), the movement of air between the environment and the lungs via inhalation and exhalation.