Circulatory System

What blood vessel carries blood to the heart

• Vein
• Artery
• Capillary
• All of the above

What carries the blood from the ventricle to the body

• Aorta
• Atrium
• Valve
• Septum

A flap of tissue that prevents blood from flowing backward

• Valve
• Aorta
• Septum
• Atrium

Receives oxygen-rich blood from the lungs

• Left Atrium
• Right Ventricle
• Left Ventricle
• Right Atrium

Prevents oxygen-rich and oxygen-poor blood from mixing in the heart

• Septum
• Atrium
• Valve
• Aorta

A top chamber in our heart is called a

• atrium
• ventricle
• cavern
• None

What is the arrow pointing to?

• left atrium
• right atrium
• right ventricle
• left ventricle

What is the arrow pointing to?

• right atrium
• left atrium
• right ventricle
• left ventricle

What is the arrow pointing to?

• right ventricle
• left atrium
• right atrium
• left ventricle

About how large is the human heart?

• the size of a fist
• the size of an onion
• 4.5 pounds
• I don't know