No. You breathe nitrogen with every breath you take. It is 78% of Earth's atmosphere.
painful
Respiratory therapy is painful. The therapists helps you to breathe easier and relieve the pain from the breathing though. Yes it can be a painful process. Anything involving someone having difficulty breathing can be pretty painful and a difficult therapy to go through.
Dyspnea On Exertion or exertional dyspnea, difficulty breathing or painful breathing.
Noisy or painful breathing, Unusually deep or shallow breathing, or changes in skin color, just to name a few.
Breathing 100% of it... No oxygen...
Breathing.
Breathing in pure nitrogen can be extremely dangerous as nitrogen does not support human respiration. When you inhale pure nitrogen, it displaces oxygen in your lungs, leading to a lack of oxygen in the bloodstream, which can result in rapid suffocation and death. It is important to always ensure proper ventilation and air quality to prevent accidental inhalation of pure nitrogen.
Well, breathing, for one XP
Without nitrogen in the atmosphere, we would be breathing in nearly pure oxygen, which would be fatal.
Nitrogen is an inert gas and is not necessary for breathing. Oxygen on the other hand is quite necessary. Without a sufficient partial pressure of oxygen in your breathing mix, you will become unconscious and if it is low enough, you can even die. For certain types of dives, nitrogen is reduced and sometimes completely removed from the breathing mix due to its narcotic effects at higher partial pressures. Dives have been done with helium and even hydrogen as substitutes for the nitrogen in the breathing mix due to their reduced narcotic effects at higher partial pressures. Not all insert gases work well though. Some are even more narcotic than nitrogen (e.g. argon, xenon).
Nitrogen gas can be obtained through various industrial processes such as cryogenic distillation or pressure swing adsorption, without the need for breathing it in. These processes allow for the separation, purification, and collection of nitrogen gas for various applications, from food packaging to semiconductor manufacturing.
No, humans cannot breathe nitrogen safely as it does not provide the necessary oxygen for respiration. Breathing pure nitrogen can lead to asphyxiation and suffocation.