Respiratory System

Front

Microscopic sacs are called: alveoli, bronchi, villi

Back

alveoli

Front

What is the breathing muscle called?

Back

Diaphragm

Front

The trachea branches off into two: Alveoli, Bronchi, Bronchioles

Back

Bronchi

Front

Another name for the throat is called the: Nasopharynx, Pharynx, Larynx

Back

Pharynx

Front

The membrane that surrounds the lungs is called:

Back

Pleural Membrane

Front

Which body structure protects the lungs from outside harm?

Back

The Rib Cage

Front

What important activity takes place in the lungs?

Back

Oxygen (O2) is exchanged for Carbon Dioxide (CO2)

Front

What is another name for the windpipe?

Back

Trachea

Front

The Respiratory System is the body's:

Back

Breathing system

Front

To go on living, the body's cells need food, water, chemicals and ...

Back

Oxygen