Circulatory System

Front

What is the main organ of the circulatory system?

Back

heart

Front

What is the primary function of the heart?

Back

pump blood around the body.

Front

What is the approximate size and shape of the heart?

Back

about the size and shape of your fist.

Front

Which of the following is NOT part of the circulatory system? heart, blood, bones, arteries?

Back

bones

Front

How does the heart circulate blood?

Back

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

Front

What are the blood vessels that carry blood away from the heart called?

Back

arteries

Front

What are the blood vessels that carry blood back to the heart called?

Back

veins

Front

What is the liquid part of blood called?

Back

plasma

Front

What is the role of red blood cells?

Back

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

Front

What is the role of white blood cells?

Back

to fight infections and protect the body.