Circulatory System Crossword Puzzle

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Across
  1. 4. Thick, elastic walled vessels that carry blood away from the heart. Blood is forced through them from the heart, and must be able to withstand pressure from the heart.
  2. 7. This system includes the cardiovascular system, blood and blood vessels, and the heart, which helps us survive as well as be healthy, it also carries needed materials around (or out) the body.
  3. 11. As part of loop 1 in the path the blood takes, the blood goes through the heart, to this organ, and back to the heart.
  4. 12. The main artery that carries blood from the heart to the body and is located towards the top of the heart.
  5. 13. Veins contain these so that if blood is flowing back to the heart, and there is a little amount of pressure, the blood wont flow backwards, these will close if this does happen.
  6. 14. In 1 of the main phases, the heart contracts and does this with the blood.
Down
  1. 1. A muscular organ that is similar of a pump and it pumps blood around the body
  2. 2. This type of blood vessel contains a one way, open and closable valve that pushes blood to the heart.
  3. 3. This is a protein that carries oxygen and carbon dioxide, this molecule has the ability to transport up to 4 oxygen molecules.
  4. 5. This process moves materials in and out of cells. This process carries oxygen to cells and Carbon dioxide in to be removed.
  5. 6. One of the cardiovascular systems functions is to remove this by bringing carbon dioxide away from cells.
  6. 8. These donut shaped cells carry oxygen and carbon dioxide, they also contain hemoglobin.
  7. 9. cava In loop 2, Blood returns to the heart through this part of the heart, and then into the right atrium.
  8. 10. This is formed after a chemical reaction occurs causing thread like fibers, called fibrin, to form a sticky net that traps escaping blood cells and plasma. This is formed to prevent further blood loss.