Respiratory System

Front

What is the main function of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What are the main organs of the respiratory system?

Back

Nose, trachea, bronchi, lungs, and alveoli.

Front

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

Back

The trachea, or windpipe, carries air from the throat to the bronchi.

Front

What are bronchi?

Back

The bronchi are the two main branches that lead from the trachea to the lungs.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

Front

What is gas exchange?

Back

Gas exchange is the process of oxygen entering the blood and carbon dioxide being removed.

Front

What is the pathway of air through the respiratory system?

Back

Nose -> Pharynx -> Trachea -> Bronchi -> Lungs -> Alveoli.

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm is a muscle that helps to expand and contract the lungs during breathing.

Front

What happens during inhalation?

Back

During inhalation, the diaphragm contracts, creating a vacuum that pulls air into the lungs.

Front

What happens during exhalation?

Back

During exhalation, the diaphragm relaxes, pushing air out of the lungs.