Respiratory Flashcard

Front

What is the main function of the respiratory system?

Back

To provide oxygen and remove carbon dioxide from the body.

Front

What connects the pharynx to the trachea?

Back

Larynx.

Front

What are the two narrower tubes branching from the trachea that lead into the lungs?

Back

Bronchi.

Front

What happens to the chest cavity when air rushes into the lungs?

Back

It expands.

Front

What is the diaphragm's role in respiration?

Back

It contracts and relaxes to help draw air into the lungs.

Front

What is the trachea?

Back

A tube that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the role of the epiglottis?

Back

To prevent food from entering the trachea during swallowing.

Front

What is the difference between bronchi and bronchioles?

Back

Bronchi are larger tubes that branch from the trachea, while bronchioles are smaller branches that lead to alveoli.

Front

What is gas exchange?

Back

The process of oxygen entering the blood and carbon dioxide being removed from it in the alveoli.