The circulatory system has 3 main parts: h _____________, b _________________ and b____________ v ____________.

Your heart beats all the time.

Your blood is cold.

The ________________ carry blood from the heart to all the major organs and all your body parts.

Which is the main organ of the circulatory system?

Your heart is a fist - sized organ made of special muscle.

The heart works like a __________ to move blood around your body.

Blood vessels are special ___________ that carry blood around your body.

Blood is the _________ which carries different substances around your body.

The blood carries food from the _____________ ____________ to all the body parts.

The blood also carries oxygen around the body and moves WASTE products to the _______________.

Arteries have blood with oxygen.

Veins have blood without oxygen.