Across
- 3. main site of digestion and nutrient absorption.
- 6. digestive enzymes and bicarbonate.
- 7. muscular tube that moves food to the stomach by peristalsis.
- 9. saliva containing enzymes that start chemical digestion.
- 10. fluid in the stomach that helps break down food.
- 11. finger-like structures that increase surface area for absorption.
Down
- 1. that speed up chemical digestion.
- 2. muscular organ that mixes food with acid and enzymes.
- 4. bile to help digest fats.
- 5. digestion begins and food is chewed and mixed with saliva.
- 8. muscle contractions that push food through the digestive tract.
