Video: Trachea Definition, Function & Structures -
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trachea The trachea is a U-shaped structure that is composed of hyaline cartilage on the anterior and lateral walls, with the trachealis smooth muscle forming the
i) extrapulmonary region ประกอบด้วย nasal cavities ,pharynx , larynx , trachea และ bronchi ii trachea Larynx The larynx, commonly called the voice box or glottis, is the passageway for air between the pharynx above and the trachea below It extends from the
ปริมาณ:
trachea The trachea is a U-shaped structure that is composed of hyaline cartilage on the anterior and lateral walls, with the trachealis smooth muscle forming the
trachea i) extrapulmonary region ประกอบด้วย nasal cavities ,pharynx , larynx , trachea และ bronchi ii
Larynx The larynx, commonly called the voice box or glottis, is the passageway for air between the pharynx above and the trachea below It extends from the