DNA and RNA are key to this puzzle that helps middle schoolers review basic protein synthesis terms like 'codon' and 'enzyme' with clear, simple clues.
Human Circulatory System Crossword Puzzle for College is a easy crossword puzzle with 19 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Human Circulatory System Crossword Puzzle for College
Practice and reinforce basic terms of the human circulatory system with this easy-level crossword puzzle designed for college biology students.
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Across
- 1. Shape of red blood cells
- 4. Smallest blood vessel where exchange occurs
- 8. Clear fluid involved in immune response
- 9. Rhythmic contraction of the heart muscle
- 10. Liquid part of blood
- 13. Upper chambers of the heart
- 14. Gas transported by red blood cells
- 15. Blood vessels returning blood to the heart
- 18. Throbbing of arteries caused by heartbeats
Down
- 2. Fluid that carries oxygen and nutrients
- 3. Largest artery in the body
- 5. Prevents backflow of blood
- 6. Protein in red blood cells that binds oxygen
- 7. Mass formed to stop bleeding
- 11. Lower chambers of the heart
- 12. Main organ that pumps blood
- 16. Latin root for vein, often meaning upward flow
- 17. Short for cells that help blood clot
- 19. Vessel that carries blood away from the heart
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