Respiratory Structure & Function

Front

What part of the respiratory system is your vocal cords?

Back

Larynx

Front

Which structure warms & moistens the air as we breathe in?

Back

Nose

Front

What structure is a passageway for both food and air?

Back

Pharynx

Front

What are bronchi?

Back

Tubes that branch off the lower end of the trachea and carry air to the lungs.

Front

What is the function of the trachea?

Back

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

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the primary function of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What is the epiglottis?

Back

A flap of tissue that covers the trachea during swallowing to prevent food from entering the airway.

Front

What is the difference between the upper and lower respiratory tracts?

Back

The upper respiratory tract includes the nose, nasal cavity, and pharynx; the lower respiratory tract includes the larynx, trachea, bronchi, and lungs.