Respiratory System

Front

What is the primary function of the respiratory system?

Back

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

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What do red blood cells do in the respiratory system?

Back

They carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues to the lungs.

Front

What is the role of the larynx?

Back

It is involved in sound production and protects the trachea against food aspiration.

Front

What is the trachea?

Back

A tube that connects the throat (pharynx) with the lungs, allowing air to pass.

Front

What gas do we inhale and what gas do we exhale?

Back

We inhale oxygen and exhale carbon dioxide.

Front

What is the function of the diaphragm in respiration?

Back

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

Front

What are bronchi?

Back

The main passageways that branch from the trachea into the lungs.

Front

What is the difference between the right and left lungs?

Back

The right lung has three lobes, while the left lung has two lobes to accommodate the heart.

Front

What is the nasal passage?

Back

The pathway for air to enter the respiratory system, lined with mucous membranes and cilia.