Respiratory System A. and P.

Front

What is the function of the epiglottis?

Back

The epiglottis prevents food and liquid from entering the trachea during swallowing.

Front

What could happen if the epiglottis stops working?

Back

If the epiglottis stops working, eating could become life-threatening as food may enter the airway, leading to choking.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs between oxygen and carbon dioxide.

Front

What is the primary function of alveoli?

Back

The primary function of alveoli is gas exchange between blood and air.

Front

What is the role of the nasal cavity?

Back

The nasal cavity warms, moistens, and filters incoming air before it reaches the lungs.

Front

What happens to oxygen when you breathe?

Back

Oxygen is taken into the lungs and transported to the bloodstream for use by the body.

Front

What is the process of gas exchange?

Back

Gas exchange is the process where oxygen enters the blood and carbon dioxide is removed from the blood in the alveoli.

Front

What are bronchi?

Back

Bronchi are the main passageways that branch from the trachea into the lungs.

Front

What is the trachea?

Back

The trachea, or windpipe, is the tube that connects the throat to the lungs, allowing air to pass through.

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm contracts and relaxes to help draw air into the lungs and push it out.