sarinawhitaker sarinawhitaker

01-02-2019
Health

contestada

A structural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of:

A) smooth muscle
B) skeletal muscle
C) respiratory cilia
D) rings of cartilage

Respuesta :

dakaric94 dakaric94

01-02-2019

The answer is D(rings of cartilage)

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