Nose (nasal cavity)
Air is warmed moistened and filtered by hair (cilia) and mucus
Pharynx
Transports air and Food and direct air into the larynx
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Nose (nasal cavity)
Air is warmed moistened and filtered by hair (cilia) and mucus
Pharynx
Transports air and Food and direct air into the larynx
Epiglottis
Closes off trachea when swallowing to not allow food into lungs
Larynx (voice box)
Vocal cords that’s make sound and direct air toward the trachea
Trachea
Carries air from the throat to the lungs and is lined with mucus and cilia to trap unwanted particles
Cartilage rings
Keep trachea open.
Bronchi
Large tubes that connect trachea to lungs
Bronchioles
Smaller branches of bronchi that lead to alveoli
Alveoli
Tiny air sacks were gas exchange occurs
Gas exchange in Alveoli
Oxygen enters the blood through the thin cell wall and goes through diffusion red blood cell gives CO2, Alveolus gives 02