An easy protein synthesis crossword puzzle designed for high school students. Focuses on key terms including DNA, RNA, codon, and amino acids to reinforce basic concepts.
Human Circulatory System Crossword Puzzle for Middle School is a easy crossword puzzle with 14 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 Middle School
An easy biology crossword puzzle focused on the human circulatory system. Perfect for middle school students to learn key terms like heart, blood, and veins.
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- 1. Structure that stops blood from flowing backward.
- 2. Section in the heart that holds blood.
- 4. To move continuously through the body.
- 5. The color of oxygen-rich blood cells.
- 7. Gas carried by red blood cells.
- 8. Vessels that carry blood to the heart.
- 9. Singular of veins; brings blood back.
- 12. Red liquid that carries oxygen.
Down
- 3. Tiny blood vessels where exchange happens.
- 6. The organ that pumps blood.
- 10. Beat felt when blood moves through arteries.
- 11. Vessels that carry blood away from the heart.
- 13. Type of blood cell that helps clotting.
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