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.
Hard Human Digestive System Crossword Puzzle for ESL Learners is a hard crossword puzzle with 8 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Hard Human Digestive System Crossword Puzzle for ESL Learners
Challenge your knowledge of the human digestive system with this hard-level crossword, designed for ESL learners. Includes advanced terms related to digestion anatomy and physiology.
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Across
- 1. Absorptive cells lining the small intestine
- 3. Wave-like muscle contractions that move food through the digestive tract
- 4. Tiny finger-like projections increasing surface area in the small intestine
- 6. Organ producing enzymes and hormones critical for digestion and glucose regulation
- 7. Semi-fluid mass of partly digested food expelled by the stomach
Down
- 2. First section of the small intestine where bile and enzymes mix
- 5. Sphincter muscle between the stomach and esophagus controlling reflux
- 8. Ring-shaped muscle controlling passage between digestive organs
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