Circulatory System

What is the main organ of the circulatory system?

What is another important organ of the circulatory system?

How many chambers are in the heart?

• 1

• 4

• 2

• Depends on how nice a person you are

The valves between the atria and ventricles are known as (full name, no abbreviations)

True or False - The left atrium is the chamber with the most pumping power

• True

• False

The main vein of the body is the

The main artery of the body is the

The smallest blood vessels where gas and nutrient exchange occur

What is the smallest cavity that both the heart and lungs are found in?

Pulmonary refers to the