Cardiovascular System

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

The aorta and arteries carry oxygen rich blood away from the heart.

• True

• False

The vena cava and veins carry oxygen poor blood back to the heart.

• False

• True

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.

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

______________ are the smallest vessels where gas exchange takes place.

• Arteries
• Veins
• Capillaries

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

• respiratory
• digestive
• muscular
• skeletal

What does deoxygenated mean?

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

Vein

• phleb/o, my/o

• ven/o, vascul/o

• angi/o, phleb/o

• ven/o, phleb/o

Tachy-

• Slow

• Rapid

• Around

• Vessel