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 Elementary 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 Elementary
This medium-level crossword focuses on key parts of the human circulatory system, perfect for elementary students learning about the heart, blood vessels, and blood components.
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Across
- 2. Gas carried by red blood cells to body tissues
- 4. Blood vessels that carry blood away from the heart
- 6. The yellowish liquid part of blood
- 10. Blood vessels that return blood to the heart
Down
- 1. The red fluid that carries oxygen and nutrients
- 3. Tiny blood vessels where exchange of gases occurs
- 5. The organ that pumps blood through the body
- 7. The rhythmic beating felt where arteries are close to skin
- 8. Relating to the heart muscle
- 9. Structure that stops blood from flowing backward
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