MICROANATOMY

Detailed explanation-1: -The respiratory system’s main job is to move fresh air into your body while removing waste gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide.

Detailed explanation-2: -The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide. The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles).

Detailed explanation-3: -The system involved in the exchange of respiratory gases and helps in breathing is known as the respiratory system. Humans respiratory system consists of nostrils, nasal cavity, pharynx, larynx, trachea, bronchi, and lungs. It also helps in the movement of air inside and outside of the body.