What makes up the circulatory system?

The smallest type of blood vessel is the:
The movement or flow of blood around your body is called?
A blood vessel is called an artery when it...
Arteries, Veins, and capillaries are 3 types of ___?
Which carries oxygen-poor blood back to the heart?

How does the heart work?
What are the functions of the circulatory system?
Which part of the blood carries oxygen?
Which part of the blood protects the body from disease?
The heart has ___ chambers
Which tool is useful for examining the heart?
Which of the following tools and their functions are matched CORRECTLY.