State the role of following is the human respiratory system 1.nasel hairs 2.diaflagum 3.nasel cavity
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Nasel hairs:- Hair in the nose is one of the body's first lines of defense against harmful environmental pathogens such as germs,fungus, and spores. Another purpose for nose hair is to provide additional humidity to the inhaled air. As the air passes through the nasal passages, the mucus and hair provide heat and moisture.
Diaphragm:- When the diaphragm
contracts and moves lower, the chest cavity enlarges,
reducing the pressure inside the lungs. To equalize the
pressure, air enters the lungs. When the diaphragm relaxesand moves back up, the elasticity of the lungs and chest wall pushes air out of the lungs.
Nasel cavity:- to warm, moisturize, and
filter air entering the body before it reaches the lungs.
Diaphragm:- When the diaphragm
contracts and moves lower, the chest cavity enlarges,
reducing the pressure inside the lungs. To equalize the
pressure, air enters the lungs. When the diaphragm relaxesand moves back up, the elasticity of the lungs and chest wall pushes air out of the lungs.
Nasel cavity:- to warm, moisturize, and
filter air entering the body before it reaches the lungs.
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