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.

What does the Circulatory System do?

• Circulates the Blood throughout the body

• Circulates Water throughout the body

• Excretes Waste

• Controls all parts of the body

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

• respiratory
• digestive
• muscular
• skeletal

The heart has ___ chambers.

• 1

• 2

• 3

• 4

One of the upper chambers of the heart is called the...

• Ventricle

• Artery

• Atrium

• Aorta

One of the lower chambers in the heart is called a(n)...

• Atrium

• Ventricle

• Aorta

• Vein

A flap of tissue that prevents blood from flowing backward

• Aorta

• Atrium

• Septum

• Valve

arteries, veins, and capillaries are three types of __________

• heart valves

• blood vessels

• cells

• veins

These vessels carry blood away from heart; mostly oxygen-rich

• Arteries

• Veins

• Capillaries

These blood vessels carry blood back to the heart, mostly carrying carbon dioxide.

• Arteries

• Veins

• Capillaries