Functions and Organs
Heart
Interactions
100

The main organs of the system.

What are the heart, arteries,veins

100

The most important organ in our body.

What is the heart?

100

It works with the circulatory systems.

What is the nervous system?

200

Transfers blood to and from the heart.

What are the arteries and veins?

300

Small branch-like tubes.

What are capillaries?

400

Carries deoxygenated blood from tissues back into the heart.

What are veins?

500

Contracting and relaxing.

How does the heart pump out blood?

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