Inspired air is rich in
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Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. ... Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.
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oxygen
Explanation:
Inspired air rich in oxygen enters the body through the nostrils or mouth. It passes through the pharynx and larynx, or voice box, and into the trachea. Air then enters each bronchus, which branch into bronchioles, and finally into the alveoli, or air sacs of the lungs.
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