Respiratory System

Front

Which lung has 2 lobes?

Back

Left lung has 2 lobes, while the right lung has 3 lobes.

Front

When you breathe, your lungs take in ___ and remove ___.

Back

Your lungs take in oxygen and remove carbon dioxide.

Front

What are the air sacs in the lungs where gas exchange takes place?

Back

Alveoli are the air sacs covered with capillaries where gas exchange occurs.

Front

What is the site of gas exchange in the respiratory system?

Back

The site of gas exchange is the alveoli.

Front

What is the main function of the respiratory system?

Back

The main function of the respiratory system is to provide oxygen and remove carbon dioxide from the body.

Front

What is the role of alveoli in the respiratory system?

Back

Alveoli facilitate the exchange of oxygen and carbon dioxide between the air and the bloodstream.

Front

What is the pathway of air during inhalation?

Back

Air enters through the nose or mouth, travels down the trachea, and into the bronchi, then reaches the lungs and alveoli.

Front

What is the diaphragm's role in breathing?

Back

The diaphragm contracts and flattens during inhalation, creating a vacuum that pulls air into the lungs.

Front

What is the difference between inhalation and exhalation?

Back

Inhalation is the process of taking air into the lungs, while exhalation is the process of expelling air from the lungs.

Front

What is the function of the bronchi?

Back

The bronchi are the main passageways that direct air into the lungs.