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 High School 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 High School
Challenge your understanding of the human circulatory system with this medium-difficulty crossword. Perfect for high school students studying blood vessels, heart anatomy, and circulation.
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Across
- 1. Type of circulation between heart and lungs
- 2. Phase of the heartbeat when the heart relaxes
- 3. Blood components essential for clotting
- 4. Tiny blood vessels where gas and nutrient exchange occurs
- 5. Structure that prevents blood from flowing backward
- 6. Blood vessels that carry oxygen-rich blood away from the heart
- 7. Process of blood flow throughout the body
- 12. Phase of the heartbeat when the heart contracts
- 15. Liquid component of blood that transports cells and nutrients
- 17. Vessels that return blood to the heart, often carrying deoxygenated blood
Down
- 8. Largest artery in the body, leaving the left ventricle
- 9. Lower chambers of the heart that pump blood out
- 10. Type of blood cell that carries oxygen (two words combined)
- 11. Force exerted by circulating blood on vessel walls (combined word)
- 13. Type of blood cell involved in immune defense (two words combined)
- 14. Protein in red blood cells that carries oxygen
- 16. Small vein that collects blood from capillaries
- 18. Upper chambers of the heart that receive blood
- 19. Muscular organ that pumps blood throughout the body
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