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How to play Crossword Puzzle?
- Click on an across or down clue.
- Type in the answer on puzzle.
- Background turns green on correct answer.
- Continue until the puzzle is solved.
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Reviews the circulatory system.
- organ that pumps blood
- inner lining of heart
- wall that divides heart in two
- molecule that carries oxygen and carbon dioxide through blood
- upper chamber of heart
- tissue fluid that has diffused into the lymphatic capillaries
- carries blood away from heart
- microscopic blood vessels that connect arteries and veins
- bean shaped organs that filter lymph
- valve between left atrium and left ventricle
- largest artery in body
- irregularly shaped cell fragements that help clot blood
- carry blood back to heart
- valve between the right atrium and right ventricle
- liquid part of blood