An easy protein synthesis crossword puzzle designed for high school students. Focuses on key terms including DNA, RNA, codon, and amino acids to reinforce basic concepts.
Human Circulatory System Crossword Puzzle for Adults is a medium 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 Adults
Challenge your knowledge of the human circulatory system with this medium-difficulty crossword puzzle. Ideal for adults and general audiences interested in biology and anatomy.
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Across
- 1. Phase of the heartbeat when the heart muscle relaxes
- 2. Cell responsible for transporting oxygen in blood
- 3. Protein in red blood cells that carries oxygen
- 4. Tiny blood vessels where exchange of gases occurs
- 5. Blood vessel carrying blood away from the heart
- 7. Lower chamber of the heart that pumps blood out
- 8. Term describing circulation between the heart and lungs
- 11. Bluish discoloration due to lack of oxygen in blood
- 14. Blood component important for clotting
- 16. Liquid component of blood that carries cells and nutrients
- 17. Upper chamber of the heart that receives blood
Down
- 6. Largest artery in the body
- 9. Force of blood against artery walls
- 10. Arteries that supply blood to the heart muscle
- 12. Blood vessel that returns blood to the heart
- 13. System that returns excess fluid from tissues to bloodstream
- 15. Structure that prevents backflow of blood in the heart
- 18. Phase of the heartbeat when the heart muscle contracts
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