What takes blood back to the heart?

• arteries

• veins

• capillaries

The main artery (and the largest) in the heart is the

• aorta

• vena cava

• pulmonary artery

• pulmonary flow

Which side of the heart has the oxygenated blood?

• Left

• right

• both

• top

Which blood vessels carry blood away from the heart?

• capillaries
• veins
• arteries
• venules

What does Deoxygenated mean?

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

Pulmonary circulation involves blood flow to the _______ and back to the heart.

• body

• digestive organs

• brain

• lungs

Which is thicker:  left or right ventricle?

• left 
• right

A flap of tissue that prevents blood from flowing backward

• Aorta
• Atrium
• Septum
• Valve

Identify

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

Identify

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