Food and Digestion REVISION

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Across
  1. 4. Organelles within mesophyll cells that carry out photosynthesis
  2. 6. ________mesophyll has air spaces for gas exchange
  3. 11. _________intestine, where absorption occurs in the body
  4. 12. Essential nutrient for quick energy, found in bread and rice
  5. 13. Finger-like structures in the small intestine that absorb nutrients
  6. 15. tiny holes through which gases move in and out of the leaf
  7. 16. The muscular sac where food is churned and mixed with gastric juice
Down
  1. 1. name of the process that plants use to make food using sunlight is
  2. 2. The breakdown of food into smaller components by enzymes
  3. 3. Benedicts solution turns blue to orange when ______ is present
  4. 5. Biuret solution turns blue to_______ when protein is present
  5. 7. iodine turns this colour in the presence of starch
  6. 8. muscular tube that connects your mouth to your stomach
  7. 9. group of chemicals that break down food (eg amylase)
  8. 10. ______cells that allow stomata to open and close
  9. 14. food is taken inside the body where