Circulatory System

How many compartments are there in the heart?

• 3

• 5

• 8

• 4

What is the purpose of the circulatory system?

• to help us breath

• to transport acid

• to transport oxygen and nutrients

• to help us move

Which way does the blood flow through arteries?

• into the heart

• away from the heart

What do valves do in the heart?

• pump blood through the veins

• nothing

• stop blood flowing backward

• block the blood

What is the main organ of the circulatory system?

• small intestine

• bone

• blood vessels

• heart

Identify

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

What do we call the tiny tubes that return blood back to the heart?

• arteries

• chambers

• veins

• ventricles