Write a note on breathing in humans
Answers
During breathing we take air in to our lungs through the nose, and then expel it. The taking in of air rich in oxygen in to the body during breathing is called inhalation and giving out of the air rich in carbon dioxide is called exhalation. Both the process takes place regularly during breathing.
During breathing we take air in to our lungs through the nose, and then expel it. The taking in of air rich in oxygen in to the body during breathing is called inhalation and giving out of the air rich in carbon dioxide is called exhalation. Both the process takes place regularly during breathing.Breathing is the first step in respiration. For respiration to happen, the body needs a constant supply of oxygen, which is done by breathing. Inhalation is the breathing in of air. To inhale, the lungs expand, decreasing the air pressure in the lungs.
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