Dum spiro – spero! While you’re breathing, hope!

We don’t even know how to breathe, so what can we say about such a “complex” process as THINKING???!!!

When breathing calmly, a person takes about 20 breaths in and out per minute, and each one is, on average, 500 ml. At the same time, approximately 140 ml of the air we inhale is carbon dioxide-enriched air left in the respiratory tract from the previous exhalation. (And if there is also a mask, then it traps the inhaled air, creating significant aerodynamic resistance to incoming and outgoing air!)

So, during normal breathing, only 360 ml of “fresh” air enters our lungs. But that’s not all.

Atmospheric air, that is, “fresh” air, contains approximately 79.3% nitrogen, 20.94% oxygen, and a small amount of argon, 0.03% carbon dioxide and water vapor.

So, exhaled air contains 79.7% nitrogen, 16.3% oxygen and 4% carbon dioxide. There is more nitrogen due to different biological processes in the body, in which a little nitrogen is released.

It turns out that for the sake of some 4.64% oxygen we take every breath.

Thus, the amount of oxygen trapped in the alveoli is actually EVEN less, because exhaled with a high content of carbon dioxide was added to the fresh.

The main thing is that the body still “advises” us how to breathe properly – this is the act of yawning! Few people, I think, paid attention to the fact that when we yawn, we breathe DIFFERENTLY!!!
First, Inhaling is much deeper than normal breathing.

Secondly, Exhalation DOES NOT FOLLOW the inhalation immediately, but with a delay of a few seconds!!!

That’s how you should breathe, not yawning, but just normally!!!

Deeply is good, but often it is bad. Because at the same time, tachycardia (rapid heartbeat) begins reflexively.

And then, remembering about yawning, I suggested another method:

Take a deep breath, but do not exhale hastily, but try to hold this breath to the maximum for a few seconds and even try to “add” more, and only then exhale. It turned out that after a little training, it is possible to do this, and this is exactly the OPTIMAL METHOD of BREATHING, and not necessarily after holding your breath!

In general, it is better to breathe LESS OFTEN, but deeper with each breath!

The active surface of a person’s lungs at the height of inspiration is about one hundred square meters.

Of course, thanks to the millions of microbubbles – alveoli, due to which such a huge surface was obtained, “hidden” in a volume of several liters.

And when exhaling, it’s only thirty square meters. This means that if we breathe in yawning mode and hold our chest at the height of inspiration for at least a few seconds, the surface of gas diffusion into and out of the lungs is MAXIMAL! That’s the explanation for the effectiveness of quasi-chewing breathing!

Thanks to yawning for the hint!.

By the way, animals also yawn, but for them it is not just a yawn, but a sign of location. For example, if a lion yawns in front of you, then this is not at all a desire to taste you, but on the contrary, an invitation to lie down next to him and yawn together!

From yawning, hopefully.

17 IV 2022

P.S. The vital sign is determined by dividing the Vital Capacity of the Lungs in millilitres by body weight. The quotient below 65-70 ml/kg in men and 55-60 ml/kg in women indicates insufficient lung capacity or overweight.

VCL is the Vital Capacity of the Lungs. I have it today — 93. Thanks to THIS, I didn’t die after five heart attacks!