DNA and RNA are key to this puzzle that helps middle schoolers review basic protein synthesis terms like 'codon' and 'enzyme' with clear, simple clues.
Human Circulatory System Crossword Puzzle for Kids is a hard crossword puzzle with 11 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 advanced learners in grades 3-5. Explore technical terms and vital components of blood flow and heart anatomy.
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- 1. Protein in red blood cells that binds oxygen
- 2. Lower heart chamber that pumps blood out to the body or lungs
- 3. Type of circulation between the heart and lungs
- 4. Largest artery that carries blood from the heart to the body
- 5. Thick muscle layer of the heart responsible for contraction
- 6. Blood vessels carrying oxygen-rich blood away from the heart
- 9. Structures that prevent blood from flowing backward in the heart
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- 7. Upper heart chambers that receive blood returning to the heart
- 8. Tiny blood vessels where gas exchange occurs in tissues
- 10. Small vessels that collect blood from capillaries into veins
- 11. Liquid component of blood transporting cells and nutrients
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