Circulatory System

Front

What is the main organ of the circulatory system?

Back

heart

Front

How many types of blood vessels are in our body?

Back

3

Front

Do arteries carry oxygen-rich blood away from the heart?

Back

True

Front

Do veins carry oxygen poor blood back to the heart?

Back

True

Front

The job of the heart is to...

Back

pump blood around the body.

Front

The heart is about the size and shape of your . . . head, fist, hand, foot

Back

fist

Front

How does the heart work?

Back

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

Front

What are the smallest blood vessels?

Back

Capillaries

Front

What are the second largest blood vessels? Options: Arteries, Veins, Capillaries

Back

Veins

Front

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

Back

respiratory