Nasal Cavity - Air enters here during inspiration. The fine hairs filter and collect dust before the air travels further on., Mouth Cavity - Air enters here during inspiration. It warms up and moistens the air before travelling down the trachea., Trachea - The windpipe made of cartilage rings, the corridor leading down towards the lungs., Bronchi - Air continues further into the lungs and of into two branches (bronchus) going off to the right and left lung., Bronchioles - Lots of smaller branches spreading across the lungs, air passes across a wider surface area before going into the alveoli., Alveoli - Millions of tiny air sacs, the site of gaseous exchange, located at the ends of bronchioles. Surrounded by capillaries, so gases can enter and leave the bloodstream.,

Air Pathway Component Description

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