Respiratory and Circulatory Systems

Front

What is the main function of the respiratory system?

Back

To take in oxygen and remove carbon dioxide from the body.

Front

What is the main organ of the circulatory system?

Back

Heart.

Front

How do the lungs and blood work together?

Back

Oxygen and carbon dioxide are exchanged between the lungs and blood.

Front

What do blood vessels do?

Back

They transport blood throughout the body.

Front

What is the role of the heart in the circulatory system?

Back

To pump blood and deliver oxygen to the cells.

Front

What gas do we breathe in?

Back

Oxygen.

Front

What gas do we breathe out?

Back

Carbon dioxide.

Front

What are the components of the circulatory system?

Back

Heart, blood, and blood vessels.

Front

What is the purpose of red blood cells?

Back

To carry oxygen from the lungs to the rest of the body.

Front

What is the purpose of the diaphragm in breathing?

Back

To help expand and contract the lungs.