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 Homeschool is a medium 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 Homeschool
Challenge homeschool learners with this medium-difficulty crossword focused on the human circulatory system. Covers key terms related to blood flow, heart anatomy, and blood vessels.
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- 1. Tiny blood vessels where exchange of gases occurs
- 2. Blood vessel that returns blood to the heart
- 4. Blood cell fragment involved in clotting
- 6. Structure that prevents backflow of blood in the heart
- 8. The liquid part of blood that carries cells and nutrients
Down
- 3. Protein in red blood cells that carries oxygen
- 5. Bottom chambers of the heart that pump blood out
- 7. Upper chambers of the heart that receive blood
- 9. Rhythmic throbbing of arteries as blood is pumped
- 10. Blood vessel that carries oxygen-rich blood away from the heart
- 11. The largest artery in the body
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