Respiratory System

Front

What are the tiny hairs that sweep dust particles?

Back

Cilia

Front

What moistens the air and traps dust particles?

Back

Mucus

Front

What is the muscle that controls breathing?

Back

Diaphragm

Front

What is the scientific name for the voice box?

Back

Larynx

Front

The blanket of air that surrounds the Earth is the

Back

Atmosphere

Front

What are the small air sacs in the lungs where gas exchange occurs?

Back

Alveoli

Front

What is the tube that carries air to the lungs?

Back

Trachea

Front

What is the process of taking in oxygen and expelling carbon dioxide?

Back

Respiration

Front

What is the main organ of the respiratory system?

Back

Lungs

Front

What is the flap of tissue that covers the trachea during swallowing?

Back

Epiglottis