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Respiratory System, image, Trachea divides and enters each of the two…
Respiratory System
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Lungs
2 lungs - left lung - 2 lobes, right lung - three lobes. Blood rich in carbon dioxide enters the lungs and envelopes the alveoli. Carbon dioxide passes across the alveoli and is exhaled. The oxygen that is inhaled through the nose passes in to the blood.
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