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 alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the role of the larynx?

Back

It is known as the voice box and is responsible for producing sound.

Front

What is the trachea?

Back

Also known as the windpipe, it is the tube that connects the throat to the lungs.

Front

What happens during inhalation?

Back

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

Front

What happens during exhalation?

Back

The diaphragm relaxes, pushing air out of the lungs.

Front

What is gas exchange?

Back

The process of oxygen entering the blood and carbon dioxide being removed.

Front

What is the pathway of air during respiration?

Back

Nose/Mouth -> Trachea -> Bronchi -> Lungs -> Alveoli.

Front

What is the difference between respiration and breathing?

Back

Breathing is the physical process of inhaling and exhaling, while respiration refers to the biochemical process of gas exchange.

Front

What is the role of capillaries in the respiratory system?

Back

They are tiny blood vessels that allow for the exchange of gases between the blood and alveoli.