Circulatory System

Where does your heart get oxygen?

• Lungs

• Mouth

• Toes

• Fingernails

What takes blood back to the heart?

• arteries

• veins

• capillaries

What are the super small blood vessels called that let the Oxygen out of the blood to the tissues that need it?

• capillaries

• worm holes

• arteries

• veins

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

These blood cells are the protectors and help fight off disease.

• Red blood cells
• White blood cells
• Plasma
• Platelets 

This part of blood helps it clot, when you get cut.

• Red blood cells
• Plasma
• Platelets
• White blood cells

These blood cells deliver oxygen to the parts of the body.

• Red
• White
• Patelets
• Plasma

_______ is made mostly of water and makes up about 55% of the blood

• Plasma
• Platelets 
• Red blood cells
• White blood cells

Which side of the heart has the oxygenated blood?

• Left

• right

• both

• top

Name this part.

• Left ventricle
• Pulmonary artery
• Right atrium
• Pulmonary veins