Cardiovascular Quiz - Unit 9

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Arteries carry oxygen rich blood away from the heart.

• True

• False

Veins carry oxygen poor blood back to the heart.

• False

• True

How does the heart work?

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

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

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

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

What does Deoxygenated mean?

• Oxygen-rich
• Blood flow
• Oxygen-poor
• Water Flow

How many valves does  the heart have ? 

• 7
• 4
• 3 
• 2 

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

The average blood pressure is 

• 120/80
• 80/120
• 115/180
• 120/180