CIRCULATORY SYSTEM

Circulatory System includes ....

• heart

• arteries

• veins

• lungs

Fill in the blank:

The heart ... about 100,000 pulsations a day.

• pumps

• breaths in

• breaths out

• flows

Arteries carry blood with ... .

• oxygen

• nuitrients

• carbon dioxide

• food

Veins carry blood with ... back to the heart.

• carbon dioxide

• oxygen

• nutrients

• food

Our circulatory system is made up of the heart, arteries, and veins.

• True

• False

What is the main organ in the circulatory system?

• vein
• lung
• heart
• aorta 

How many times does the ventricle pump blood to gills in the fish during one circulation?

• 1

• 2

• 3

• 4

Arteries carry oxygen rich blood away from the heart.

• True

• False

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.