Ключевые слова: allergy, asthma, asthmatic, background, breathing, bronchial, care, cough, depth, device, dilator, drug, equipment, exhalation, exhale, health, help, human, ill, illness, inhalation, inhale, inhaler, lung, medical, medication, medicine, oxygen, patient, pills, prevention, protection, relieve, respiration, respiratory, safety, shallow, sick, spraying, top view, valve,