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 ESL Learners is a medium crossword puzzle with 10 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 ESL Learners
This medium-level crossword puzzle helps ESL learners build vocabulary related to the human circulatory system. Perfect for students wanting to understand key terms like heart, arteries, and blood.
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Across
- 1. Vessels that carry blood back to the heart
- 2. The liquid part of blood carrying cells
- 4. Blood vessels that carry blood away from the heart
- 5. Red fluid that transports oxygen and nutrients
- 7. Organ that pumps blood throughout the body
- 9. Rhythmic throbbing caused by the heart beating
Down
- 3. Tiny blood vessels where exchange of gases occurs
- 6. Gas carried by red blood cells to the body
- 8. Structure that prevents blood from flowing backward
- 10. Small vein that connects capillaries to veins
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