Question

what is the automatic the loss of oxygen​

Answer 1

Explanation:

At an atmospheric Oxygen of less than 15%, humans have difficulty breathing. At less than 10%, humans would become unconscious and some will begin to die. ... At an atmospheric Oxygen of less than 15%, humans have difficulty breathing. At less than 10%, humans would become unconscious and some will begin to die.

Answer 2

Answer:

Lung damage caused by trauma. Lung disease such as chronic obstructive pulmonary disease (COPD), emphysema, chronic bronchitis, pneumonia and pulmonary edema (fluid in the lungs) Heart problems. Anemia (low red blood cell count; red blood cells carry oxygen to the cells, tissues and organs)