CHECKPOINT: Human Respiratory System

Front

What gas do the lungs take in during breathing?

Back

Oxygen

Front

What gas do the lungs release during breathing?

Back

Carbon dioxide

Front

List the correct order of air passage in the breathing mechanism.

Back

Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus

Front

What does the diaphragm do in the respiratory system?

Back

The diaphragm is a muscle that helps in the process of breathing by contracting and relaxing to allow air in and out of the lungs.

Front

Where does the exchange of oxygen and carbon dioxide occur in the lungs?

Back

In the alveoli.

Front

What is the role of capillaries in the respiratory system?

Back

Capillaries facilitate the exchange of oxygen and carbon dioxide between the alveoli and the bloodstream.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, producing carbon dioxide as a waste product.

Front

True or False: The carbon dioxide you exhale is a result of cellular respiration.

Back

True

Front

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

Back

The trachea, or windpipe, is a tube that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What are bronchi?

Back

Bronchi are the two main branches of the trachea that lead into each lung.