External nostrils → vestibules → nasal chambers → internal nares → naso pharynx → X → larynx → trachea. What is X?
A. Glottis
B. Alveoli
C. Atria
D. Bronchi
Answer:A
External nostrils → vestibules → nasal chambers → internal nares → naso pharynx → X → larynx → trachea. What is X?
A. Glottis B. Alveoli C. Atria D. Bronchi