Sisäänhengityksen
Sisäänhengitys, also known as inhalation or inspiration, is the process by which air is drawn into the lungs. It is the first phase of breathing, the fundamental respiratory act that supplies the body with oxygen and removes carbon dioxide. This process is largely involuntary, meaning it occurs automatically without conscious thought, though it can also be controlled voluntarily to a certain extent.
During inspiration, the diaphragm, a large dome-shaped muscle located at the base of the chest cavity, contracts
The air enters the body through the nasal cavity or mouth, passes through the pharynx, larynx, and