Basic Respiratory System

What are the two entrances for oxygen to enter the respiratory system? Nose and Mouth
Where does the air go to from the nose and mouth? pharynx
In between the pharynx and the trachea what structure does this lesson leave out? larynx
Where is the trachea located in reference to the esophagus? anterior
What structures moisten the air in the Respiratory System? nose and mouth
What is the name for the small air sacs at the end of the bronchioles? alveoli
Where does gas exchange take place in the lungs? alveoli
What is the main muscle of respiration? diaphram
What happens when we inhale? the diaphram contracts Exhale? the diaphram relaxes
Sketch a picture of the respiratory system. Include the following structures: nose, mouth, pharynx, larynx, trachea, bronchus, bronchioles, alveoli and lungs.