Across
- 2. collect oxygen-poor blood throughout your body and carry it back to your heart.
- 3. a specialized body fluid
- 7. they carry blood away from the heart.
- 8. This system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
- 10. a network of tiny blood vessels called ___________ connects the very small artery branches to very small veins.
- 11. What pumps blood in and out into your body.
Down
- 1. the right and left __________ pump blood out of the heart.
- 4. The heart then sends the blood to the _____ to pick up more oxygen.
- 5. the right and left _______ receive the blood entering the heart.
- 6. the heart beats is controlled by a system of electrical signals in the heart. The _________ is a small area of tissue in the wall of the right atrium.
- 9. Its a big artery that leaves the heart carrying this oxygenated blood.
