This easy crossword puzzle helps kids in grades 3-5 learn about protein synthesis and DNA basics with common words and simple clues.
Human Circulatory System Crossword Puzzle for ESL Learners is a medium crossword puzzle with 18 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 ESL Learners
This medium-difficulty crossword puzzle focuses on key terms of the human circulatory system, designed specifically for ESL learners to build vocabulary and comprehension.
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Across
- 1. Protein in red blood cells that carries oxygen
- 2. Phase of the heartbeat when the heart contracts
- 6. Blood vessel that carries oxygen-rich blood away from the heart
- 8. Smallest blood vessels where exchange of gases occurs
- 9. Small cell fragments that help blood clot
- 11. Blood vessels that return blood to the heart
- 14. The organ that pumps blood throughout the body
- 16. Structure that prevents blood from flowing backward
Down
- 3. Red fluid that carries oxygen and nutrients
- 4. The beating sensation felt in arteries
- 5. The liquid part of blood that carries cells
- 7. The movement of blood through the body
- 10. Small vein that collects blood from capillaries
- 12. Two lower chambers of the heart
- 13. Gas carried by red blood cells to the body
- 15. A section or compartment inside the heart
- 17. The largest artery in the body
- 18. Two upper chambers of the heart
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