Respiratory System Test Review

Front

What is the main function of the respiratory system?

Back

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

Front

What happens to the diaphragm when you inhale?

Back

The diaphragm contracts and flattens out, allowing the lungs to expand and fill with air.

Front

True or False: The right lung is smaller than the left lung.

Back

False, the right lung is larger than the left lung.

Front

What gas do we need to live?

Back

Oxygen.

Front

What happens when you exhale?

Back

When you exhale, you release carbon dioxide from your body.

Front

True or False: Your body needs oxygen to live.

Back

True.

Front

What are the two main gases exchanged in the lungs?

Back

Oxygen and carbon dioxide.

Front

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

Back

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

Front

True or False: Breathing is the same as respiration.

Back

False, breathing is the physical act of inhaling and exhaling, while respiration is the chemical process of using oxygen.

Front

What is the pathway of air when you breathe in?

Back

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