Which structure is the initial entry way for air to enter the respiratory system?
A)nose
B)trachea
C)lungs
D)pharynx
E)esophagus

Name: Which structure is the initial entry way for air to enter the respiratory system? A)nose B)trachea C)lungs D)pharynx E)esophagus
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Question

Quizplus · Accepted Answer

The air will initially enter the nose,then proceed to the nasal cavity,to the pharynx,to the trachea,to the bronchioles,and to the lungs.The esophagus is part of the digestive system,not the respiratory system.

Which Structure Is the Initial Entry Way for Air to Enter