Respiratory System

Front

Your body couldn’t breathe without this system.

Back

Respiratory system

Front

A dome shaped sheet of muscle, the _________, separates the chest from the abdomen.

Back

diaphragm

Front

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

Back

trachea

Front

The tubes that go from the trachea into the lungs

Back

bronchial tubes

Front

A flap of tissue that closes when we eat so food doesn't go down the trachea

Back

epiglottis

Front

What is known as the voice box?

Back

larynx

Front

The gas known as _______ is needed to stay alive and properly.

Back

oxygen

Front

What is breathed out from our mouth and nose? Options: carbon dioxide, oxygen, nitrogen, helium

Back

carbon dioxide

Front

What is the main bone structure that protects the lungs?

Back

Rib cage

Front

What is the main function of the respiratory system?

Back

to provide oxygen and remove carbon dioxide from the body