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 Adults is a easy 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 Adults
Learn the basics of the human circulatory system with this easy crossword puzzle designed for adults and general audiences. Covers 18 common terms related to blood flow and heart function.
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Across
- 1. Protein in red blood cells that carries oxygen
- 2. Structure that prevents blood from flowing backward
- 4. General term for arteries, veins, and capillaries
- 5. Tiny blood vessels where exchange happens
- 7. Lower chambers of the heart
- 9. Rhythmic throbbing felt in arteries
- 12. Vessels that carry blood away from the heart
- 13. Liquid part of the blood
- 16. Largest artery in the body
- 17. Muscle that pumps blood throughout the body
Down
- 3. Vessels that carry blood toward the heart
- 6. Fluid that carries oxygen and nutrients
- 8. Force of blood against artery walls
- 10. Cells that help blood clot
- 11. Gas carried by red blood cells
- 14. To move continuously through the body
- 15. Basic units of blood like red and white types
- 18. Upper chambers of the heart
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