Respiratory System

Front

What are tiny hairs that move particles in the nose called?

Back

Cilia

Front

What is the small flap of tissue that covers the trachea?

Back

Epiglottis

Front

What is the diaphragm's role in breathing?

Back

The diaphragm helps in inhalation and exhalation by moving up and down.

Front

What happens to the diaphragm when you exhale?

Back

The diaphragm moves upwards.

Front

What is the trachea?

Back

The trachea is the windpipe that connects the throat to the lungs.

Front

What are bronchi?

Back

Bronchi are the two main branches that lead from the trachea to the lungs.

Front

What are bronchioles?

Back

Bronchioles are smaller branches of the bronchi that lead to the alveoli.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

Front

What is the function of the epiglottis?

Back

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

Front

What is the role of mucus in the respiratory system?

Back

Mucus traps dust, germs, and other particles, helping to keep the airways clear.