This easy crossword puzzle helps kids in grades 3-5 learn about protein synthesis and DNA basics with common words and simple clues.
Hard Human Circulatory System Crossword Puzzle for ESL Learners is a hard 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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Hard Human Circulatory System Crossword Puzzle for ESL Learners
Challenge your advanced vocabulary on the human circulatory system with this hard crossword puzzle designed for ESL learners. Includes specialized terms on heart function, blood flow, and vascular biology.
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- 1. Relating to the main artery leaving the heart
- 2. Phase of the heartbeat when the heart contracts
- 3. Hardening of arteries due to plaque buildup
- 6. Study of blood flow and its properties in circulation
- 7. Another name for the mitral valve in the heart
- 9. Vessels involved in fluid balance and immune response
- 13. Microscopic vessels where gas and nutrient exchange occur
- 15. Small arteries that regulate blood flow into capillaries
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- 4. Narrowing of veins to regulate venous return
- 5. Neurotransmitter constricting blood vessels during stress
- 8. Protein in red blood cells that binds oxygen
- 10. Thick muscular middle layer of the heart wall
- 11. Pertaining to the heart’s valve function and structure
- 12. Inner cellular lining of blood vessels controlling permeability
- 14. Fibrous sac enclosing the heart
- 16. Small vessels that collect blood from capillaries
- 17. Incorrect, please disregard (placeholder)
- 18. Restricted blood supply causing tissue oxygen deficiency
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