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