What type of circulatory system has blood contained in blood vessels?

What type of circulatory system does not have blood contained in blood vessels?

Which is NOT a part of the circulatory system?

How many chambers are in a human heart?

The circulatory system has ___ main parts.

The top two heart chambers are called __________.

The bottom two heart chambers are called __________.

The heat is a ________.

Blood goes to the BODY to _____.

Blood goes to the lungs to ______.

Blood that leaves the lungs is ______.

Blood that leaves the body is ______.

What color represents oxygenated blood?

What color represents deoxygenated blood?

Where is "red" blood going?

Where is "blue" blood going?

Before blood can go to the lungs or the body, it has to pass back through the ____.

Large blood vessels that are under a lot of pressure with oxygenated blood.

Smaller blood vessels that carry deoxygenated blood back to the lungs.

Tiny blood vessels that are microscopic and where nutrients are absorbed.

How many types of blood vessles are there?