Respiratory System

Front

What is the chamber behind the nose and mouth that leads to the trachea?

Back

Pharynx

Front

What is the correct order that air flows during inhalation through the following structures: nasal cavity, pharynx, larynx, trachea?

Back

Nasal cavity, pharynx, larynx, trachea (2, 3, 1, 4).

Front

What is the process of exchanging oxygen and carbon dioxide in the lungs called?

Back

Gas exchange.

Front

What is known as the voice box in the respiratory system?

Back

Larynx.

Front

What is the only externally visible part of the respiratory system?

Back

Nose.

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange between the body and the environment.

Front

What structure prevents food from entering the trachea during swallowing?

Back

Epiglottis.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts to create a vacuum that allows air to flow into the lungs.

Front

What are the tiny air sacs in the lungs where gas exchange occurs?

Back

Alveoli.

Front

What is the function of the trachea in the respiratory system?

Back

To provide a clear airway for air to enter and exit the lungs.