Basic Respiratory Worksheet

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? warm the air and moisten the air.
In between the pharynx and the trachea what structure does this lesson leave out? the pharynx follows directly after the mouth and nose. the trachea is one of the two braches at the distal end of the pharynx.
Where is the trachea located in reference to the esophagus? it is located anterior to the esophagus and transport air just like the pharymx.
What structures moisten the air in the Respiratory System? oxygen
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? oxygen and carbon dioxide take place.
What is the main muscle of respiration? diaphragm
What happens when we inhale? Exhale? when the diaphragm contracts we inhale, and when it relaxes we exhales.
Sketch a picture of the respiratory system. Include the following structures: nose, mouth, pharynx, larynx, trachea, bronchus, bronchioles, alveoli and lungs. (separate sheet of paper)