General discussion about breathing in different natures and

As for children, they experience a great need to remove smoky excesses, because their digestion of food is strong and prolonged and the need to extinguish natural warmth is considerable, and their strength is not very great, since they have not reached perfection in the development of their body and strength. Therefore, their breathing must be very frequent and fast and not so significant. In young men, breathing is greater, but it is less fast and frequent, because the need to extinguish heat is carried out thanks to the greater amount of breathing; As for mature people, their breathing is less in the same way that it is greater in young people, but not as little as the breathing of old people. And old people breathe less, slower and less often for reasons that are not hidden from you.