Circulatory and Respiratory Systems

Front

When you breathe in, the lungs _________ in order to _________ air pressure, so that air will flow in.

Back

expand, decrease

Front

The job of the red blood cell is to __________.

Back

deliver oxygen and discard carbon dioxide

Front

Capillaries connect veins to __________.

Back

arteries

Front

The System that contains blood vessels and the heart is the __________.

Back

circulatory system

Front

The heart has how many chambers (rooms)?

Back

four

Front

What is the primary function of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide.

Front

What are the two main components of the circulatory system?

Back

The heart and blood vessels.

Front

What is the role of arteries in the circulatory system?

Back

To carry oxygenated blood away from the heart.

Front

What is the role of veins in the circulatory system?

Back

To carry deoxygenated blood back to the heart.

Front

What is the smallest type of blood vessel?

Back

Capillaries.