Circulatory, Respiratory, Excretory System Review

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

• Nervous

• Respiratory

• Circulatory

The circulatory system works with the __________ system to obtain energy from nutrients that we eat.

• respiratory

• digestive

• skeletal

• nervous

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

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

• respiratory

• digestive

• muscular

What is the circulatory system made up of?

• Lungs, blood, blood vessels

• Liver, kidneys, and stomach

• Heart, Blood Vessels, and Blood

Your heart is about the size of your __________.

• mouth

• fist

• show

Blood carries ____________ to the heart.

• vitamins

• germs

• oxygen

Your heart pumps blood throughout your entire body through little tubes called _____________.

• veins

• arteries

• hoses

Blood is carried back to your heart in little tubes called ____________.

• veins

• arteries

• hoses