1. What is absorption? The digested food molecules enter the circulatory system.

2. What food substances are absorbed by Z? Lipid soluble substances: fatty acid, glycerol, vitamin A, D, E, K Z

3. Blood in Y will first transport to….through…… liver; hepatic portal vein Y

4. Stomach Digestive juice Gastric juice

5. What is X? Villus X

6. Physical digestion function Increase surface area of food for digestive enzyme to act on

7. What is L? Pancreas

8. Mouth Digestive juice Saliva

9. What is egestion? The undigested materials are removed from the body as faeces.

10. Saliva contain Salivary amylase, water

11. What is E? Ileum

12. Digestion of protein starts at K

13. What is the fluid inside Z? Lymph Z

14. Chemical digestion by Digestive enzymes

15. Mouth Physical digestion by Chewing of teeth

16. Bile Physical digestion by Emulsify fat to oil droplet to increase surface area for lipase to act on

17. Villus number Large number to increase surface area

18. Liver Digestive juice Bile

19. Small intestine Digestive juice Intestinal juice

20. Small intestine is long because It can provide more time to digest and absorb food substances.

21. Saliva Secreted by Salivary gland

22. Bile contain Bile salt, hydrogencarbonate salt, bile pigment

23. Pancreatic juice contain Amylase, protease, lipase, Hydrogencarbonate salt

24. Gastric juice contain Protease, hydrochloric acid

25. What is Z? Lacteal Z

26. Intestinal juice contain Carbohydrase, protease

27. Lipase Can be found in Pancreatic juice

28. Which part absorbs the largest amount of nutrient? E

29. Amylase Can be found in Saliva, pancreatic juice

30. Food move in alimentary canal by peristalsis

31. Which part is acidic? stomach

32. Villus shape Finger like to increase surface area for absorption

33. What is Y? Blood capillaries Y

34. What is ingestion? Food is taken in through the mouth.

35. What is digestion? Food is broken down into soluble and simple molecules.

36. What is assimilation? The absorbed food molecules are taken up by cells for metabolism.

37. What is N? Rectum

38. Bile Secreted by Liver

39. Stomach Physical digestion by Churning of muscle

40. State two features of X that allow it to absorb food substances easily. X is finger like to increase surface area to absorb food. There are lots of X in small intestine to increase surface area to absorb food. X

41. Which part stores faeces? N

42. What food substances are absorbed by Y? Water soluble substances: glucose, amino acid, vitamin C, minerals, water Y

43. What is B? Gall bladder

44. Intestinal juice Secreted by Intestinal gland in small intestine

45. Gastric juice Secreted by Gastric gland in stomach

46. Pancreas Digestive juice Pancreatic juice

47. Secreted by Pancreas

48. Stomach Is protected by mucus

49. What part is acidic? K

50. Which part of our body can villi be found? ileum

51. 3 examples of physical digestion are Churning of muscle in stomach Chewing by teeth in mouth Emulsification by bile salt in duodenum