Nose vs. Mouth breathing

Nose vs. Mouth breathing

We have a few combinations we can choose from, when it comes to Nose vs. Mouth breathing.

A Inhale nose – exhale nose
B. Inhale mouth – exhale mouth
C. Inhale nose – exhale mouth
D. Inhale mouth – exhale nose

When we inhale through the nose

1 Air is filtered while passing through the fine nasal hair. Dust, pollen and other particles are filtered.

2 Mucus that coats the sides of the nose, functions as a sticky filter for dust, pollen and other particles.

3 Air is humidified which facilitates better oxygen absorption in the lungs.

4 Temperature of the air is regulated so, that it is closer to body temperature, 37 deg. which facilitates better oxygen absorption in the lungs.

5 Nitric Oxide is added in the nasal chamber to the inhaled air and functions as a disinfectant. Nitric Oxide allows better absorption of oxygen in the lungs.

6 Inhaled air-flow is restricted by a narrow passage.

When we inhale through the mouth compared to the nose

1 No hair filtering.

2 Moderate filtering by particles adherence to the saliva.

3 Air is humidified by evaporating saliva, which dries the mouth and removes saliva protection from the teeth.

4 Worse performance in air temperature regulating.

5 Hardly any nitric oxide added to the air.

6 Inhaled air-flow not restricted, wide passage.

When we exhale through the nose

1 The expelled air heats the narrow passage and the nasal cavity, preparing it for temperature regulation in the next inhale (heat recycling).

2 The expelled air humidifies the nasal cavity, preparing it for the next inhale (moisture recycling).

3 Exhaled air-flow is restricted by a narrow passage.

When we exhale through the mouth compared to the nose

1 No heat recycling mechanism.

2 No moisture recycling mechanism.

3 Exhaled air-flow not restricted, wide passage

Generally speaking, nose breathing is more effective than mouth breathing. Nose breathing should be our default breathing choice with a few exceptions.

1 In case of emergency, when we need to fight or escape danger, we may choose mouth breathing because it allows intensive pumping of air in and out of the lungs.

2 When we communicate, for example speaking, we need to exhale from the mouth in order to vibrate our vocal fold.

3 Singing or sighing which produces vocal sounds that give us a good feeling.

4 When we exercise specific exercises that require mouth breathing, for a specific result.

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