Questions and Answers
Breathing is defined as the act of drawing air into (inhalation) and eliminating air out (exhalation) of the lungs. The air that enters the body contains oxygen, trace gases, and dust.
Breathing
Breathing is defined as the act of drawing air into (inhalation) and eliminating air out (exhalation) of the lungs. The air that enters the body contains oxygen, trace gases, and dust.
Breathing