YES.
Shallow breathing can be indicative of pneumonia, asthma, or a lack of oxygen. If the body does not receive sufficient air, it will quickly shut down and cause death.
When we are sleepy or feel drowsy, we yawn because our brain cells lack sufficient amount of oxygen. The deep breath associated with yawning helps us to drawn in more oxygen and supply the much needed oxygen to the tired body organs including the brain
you feel drowsy because you cant breath and your body is starting to shut down.
Stroke.
You can get the oxygen you need by breathing in air. The air you breathe contains oxygen that is absorbed by your lungs and then transported by your red blood cells to all the cells in your body. Adequate ventilation, good lung function, and clean air are essential for ensuring you receive enough oxygen.
oxygen to be unavailable for gas exchange
respiration is the process in which the body cells receive oxygen and release carbon dioxide, respiration involves breathing
Twenty one percent, which is the equivalent of room air.
When breathing stops from lack of oxygen
At 20,000 feet above sea level, the air is thin and lacks sufficient oxygen for normal breathing. Without supplemental oxygen, it becomes difficult to breathe at this altitude.
Oxygen
The pathway of oxygen is like a tube or pipe in the breathing system.