circulatory system

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