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 Kids is a hard crossword puzzle with 16 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 Kids
Challenge your knowledge of the human circulatory system with this hard crossword puzzle designed for 3rd to 5th graders. Includes advanced terms about blood flow, heart chambers, and vascular functions.
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- 1. Phase of the heartbeat when the heart relaxes
- 3. Blood vessels that carry oxygen-rich blood away from the heart
- 6. Muscular layer of the heart wall
- 8. Arteries that supply blood to the heart muscle itself
- 9. Heart chamber pumping blood out of the heart
- 11. Phase of the heartbeat when the heart contracts
- 12. Rhythmic contraction and relaxation of the heart
- 15. Type of circulation between the heart and lungs
Down
- 2. Upper heart chambers that receive blood
- 4. Structures that prevent blood from flowing backward
- 5. Protein in red blood cells that binds oxygen
- 7. The liquid part of blood that transports cells and nutrients
- 10. Blood components important for clotting
- 13. Largest artery carrying oxygenated blood to the body
- 14. Tiny blood vessels where exchange of gases occurs
- 16. Small vein that collects blood from capillaries
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