Why dyspnoea does display?

In dyspnoea patients having  air failure, breast in discomfort, breath in and out are bad, breath is often, and her display as reaction protect of organism, on oxygen failure display, or oxygen abundant, and healthy peoples having her on physic loads, in over heating, in oxygen needing, and in less his, as in raise on height , as for a level her to calculate a breast mobility or peritoneum wall in one minute, and in norm fort minute they are 16 times, in childrens from 20 till 30 in minute.
1.A reasons of her as pathology for breath organs, in pneumonitis, asthma, tuberculosis, emphysema, embolia of lung artery, after breast cell injury.
2.Cardiovascular diseases in heart failure, as happening this in loads and later in calm, in asthma bronchial display, sclerotic changes of lung arteries and blood current bad will form a heart-lung dyspnoea.
3. Central nerves system damage as cerebral dyspnoea forming in a result of irritation a breath centre in brain head damage, as neurosis in, scull brain injury, tumors of brain, haemorrhages, hysteria, a dyspnoea is without force, and in improving a frequently of breath moves are normalizing.
4.Bio chemical homeostasis of blood disordering,as homeostasis is internal systems and organs to penetrate for changes and influence for inside environment, keeping her structure constantly, and quality for blood.
Hematogenous dyspnoea is happening in poisoning, kidney and liver failure, blood in having toxins, connecting a haemoglobin, and oxygen quantity lowering and in anemia, with erythrocytes lowering and hemoglobine.
For a character her understanding ,as doing a x-ray for breast cell, electro cardiography, echo, gas blood structure, and oxygen gas, researching a function for internal breath, with pic flow metre, and spiro graph.