Circulatory System

Oxygenated means the blood has a lot of....

• Oxygen

• Carbon Dioxide

Deoxygenated blood means that the blood is low in...

• Oxygen

• Carbon Dioxide

Which of the following is NOT part of the circulatory system?

• heart

• blood

• bones

• arteries

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Veins carry oxygen poor blood back to the heart.

• False

• True

Arteries carry oxygen rich blood away from the heart.

• True

• False

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

Veins are...

• two of the body's main type of blood vessels.

• blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.