Explore cell parts and their functions with this medium-difficulty crossword puzzle designed for elementary students. Perfect for learning organelles and cell basics.
Human Circulatory System Crossword Puzzle for Upper Elementary is a hard crossword puzzle with 13 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 Upper Elementary
Challenge advanced young learners with this hard-level human circulatory system crossword. Features technical terms and detailed concepts suited for grades 3-5.
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Across
- 1. The process of adding oxygen to the blood in the lungs.
- 2. The scientific name for red blood cells that carry oxygen.
- 3. Blood vessels that carry oxygen-rich blood away from the heart.
- 4. One of the lower chambers of the heart that pumps blood out.
- 5. The thick muscular layer of the heart wall responsible for contraction.
- 9. The liquid component of blood that transports cells and nutrients.
- 12. The two upper chambers of the heart that receive blood.
Down
- 6. Tiny blood vessels where oxygen and nutrients exchange with tissues.
- 7. Relating to the lungs; the artery carries deoxygenated blood here.
- 8. Structures in veins and heart that prevent blood from flowing backward.
- 10. Protein in red blood cells that binds and transports oxygen.
- 11. The largest artery in the body that distributes blood from the heart.
- 13. CAVA Large vein that brings deoxygenated blood back to the heart.
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