Respiratory system

Front

A dome-shaped sheet of muscle that 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

A chamber behind the nose and mouth that leads to the trachea.

Back

pharynx

Front

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

Back

Epiglottis

Front

The air sacs that are covered with capillaries where gas exchange takes place

Back

alveoli

Front

What is the main function of the respiratory system?

Back

to provide oxygen and remove carbon dioxide from the body

Front

What is A pointing to?

Back

nasal cavity

Front

What is B pointing to?

Back

pharynx

Front

What is C pointing to?

Back

trachea

Front

What is D pointing to?

Back

bronchi