Respiratory System
Description
An educational diagram explaining the main parts and functions of the human respiratory system.
7 Terms
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Bronchi. These are two tubes that connect the trachea to the lungs. They branch into increasingly smaller tubes that end in the alveoli.
Larynx. It is a tube containing the vocal cords responsible for producing sounds when speaking.
Lungs. These are two spongy organs protected by the ribs and the sternum.
Nasal cavities. They are in the nose. They moisten and warm the air entering from the outside.
Pharynx. It regulates the passage of air toward the lungs.
These are cavities where gas exchange takes place.
Trachea. It is a tube about 10 centimeters long. It divides into two smaller tubes, the bronchi.