THE HERITAGE BASED CURRICULUM GRADE 5 SCIENCE AND TECHNOLOGY

Prepared by Sir Mandikiyana Cell No. 0785 753 093/0788 087 625

The human digestive system

1. The human digestive is a system used in the human body for the process of
____.(Digestion/reproduction)
2. ___ is the process where food is broken down into smaller pieces which can be absorbed by the
body.(Digestion/reproduction)
3. ______ is a process where food is broken down into smaller, soluble pieces that can be absorbed
into the blood.(Digestion/reproduction)
4. ____ is the breaking down of food to simple food substances that can be absorbed by the
blood.(Digestion/reproduction)
5. The digestive system of a human being is also known as the_____.(Human alimentary
canal/animal alimentary canal)
6. The digestive system of a human being consists of ____parts.(Many/few)
7. _____ and ____ are two types of digestion.(Mechanical/chemical/water/salt)
8. _____ digestion is when food is physically broken down into smaller pieces by the action of
teeth.(Mechanical/chemical)
9. _____ digestion occurs when chemicals or juices help break food into smaller
particles.(Mechanical/chemical)
10. The parts of the human digestive system have ___ functions.(Same/different)
11. List four main parts of the human digestive system.
12. Label the parts of the following human digestive system.

A
B

J C

L
I E

H
13. Digestion of food begins in the ____.(Mouth/anus)
14. ________ refers to the taking in of food through mouth.(Egestion/ingestion)
THE HERITAGE BASED CURRICULUM GRADE 5 SCIENCE AND TECHNOLOGY
Prepared by Sir Mandikiyana Cell No. 0785 753 093/0788 087 625

15. ____ contains the teeth which bite off and chew food into a soft pulp that is easy to
swallow.(Mouth/anus/stomach)
16. As food is chewed in the mouth, it is broken into ____particles .(Bigger/smaller)
17. It is important to_____ food before you swallow it.(Swallow/chew)
18. The hard and sharp ____ tear and grind the food to smaller particles.(Mouth/teeth/tongue)
19. Salivary amylase breaks down or digests cooked starch into simpler substances
called____.(Mouth/glucose/amino acids/maltose)
20. Salivary amylase is an___.(Mouth/leg/enzyme/food)
21. ____ using your teach to break down food.(Chewing/running/singing)
22. When food is chewed in the mouth ,it is mixed with____.(Saliva/gastric juice/pancreatic juice)
23. ______softens and wets food.(Saliva/gastric juice/pancreatic juice)
24. The food is pushed by the ____ into the throat or food pipe.(Tongue/teeth/stomach)
25. The food pipe is known as the _____.(Oesophagus/stomach/duodenum)
26. The other name for oesophagus is ____.(Stomach/duodenum/gullet)
27. ____ is muscular tube.(Stomach/gullet/mouth)
28. The gullet/oesophagus _____(move towards) and _____(moves back to original position after
expanding) to allow food to pass through to the stomach.(Expands/relaxes)
29. _____ is a long tube which stretches from the mouth.(Oesophagus/leg/stomach)
30. In the ____ food is digested into watery liquid by juices found in the stomach
called____.(Stomach/gastric juice/saliva/duodenum)
31. The juices in the stomach help to kill ____ in food.(Germs/food)
32. Gastric juices contain _____ and some enzymes which kill bacteria in the stomach.(Hydrochloric
acid/Citric acid)
33. The enzymes found in the stomach help digest protein from foods such as milk and meat to
simple substances called____.(Peptides/maltose)
34. The ___ lining produces strong digestive juices called gastric juices.(Duodenum/stomach/small
intestines)
35. From the stomach, food enters the ____.(duodenum/stomach/gullet)
36. In the duodenum, food is mixed with ___ and ____.(Saliva/pancreatic juice/bile/maltose)
37. Pancreatic juice comes from the ____.(Liver/pancreas/mouth)
38. ____ produces pancreatic juice which helps to digest food.(Liver/pancreas)
39. Final stage of digestion takes place in the ____.(small intestines/large intestines)
40. The liver, pancreas and gall bladder secrete juices into the_____ .(small intestines/large
intestines)
41. To secrete is to produce____.(Fluids/powder)
42. Enzymes in the small intestines change all the proteins to____.(Glucose/amino acids)
43. Starch and glucose are changed to____.(Glucose/amino acids)
44. The ____ and ___ are absorbed into the blood vessels that are found inside the small
intestines.(Amino acids/glucose/starch/maltose)
45. Food passes through the ___ of the small intestines into the blood. (Walls/mouth)
46. ____ carries the food to the rest of the body.(Blood/saliva)
THE HERITAGE BASED CURRICULUM GRADE 5 SCIENCE AND TECHNOLOGY
Prepared by Sir Mandikiyana Cell No. 0785 753 093/0788 087 625

47. Food that is undigested and left in the small intestines is passed to the ___.(Anus/stomach/large
intestines)
48. The ____ absorbs water from the waste.(Large intestines/small intestines)
49. ______ absorbs digested food into the blood.(Large intestines/small intestines)
50. The waste goes to the ____ from the large intestines.(Anus/rectum/large intestines )
51. Waste pass out of the body through the ____.(Mouth/anus)
52. ____ refers to the passing out of undigested waste material through the anus.(Egestion/ingestion)
53. Where does the digestive process begin?(Small intestines/mouth/oesophagus/stomach)
54. What is the function of the digestive system?(To break down and handle food/to pump blood
throughout the body/to help on breathing/to help in the movement of arms and legs)
55. What is the substance that makes the food we eat soft in the mouth?(Mucus/saliva/tears/spit)
56. What is the function of the large intestines?(It stores liquid waste/it helps chew the food/it
eliminates waste/absorbs water)
57. The liver’s role is to_____.(Mash up food/turn water into food/remove harmful substances
from the blood/help the stomach)
58. When juices in the digestive system helps to break down food into smaller pieces, it is called __
digestion(physical/mechanical/mechanical/chemical/gastric)
59. Gastric juices are produced in the ____.(Mouth/stomach/duodenum)
60. Which of the following is an important part of the human digestive system?(Nose/eye/mouth/leg)
61. Which of the following parts of the body is not part of the human digestive system?(Back
bone/duodenum/gullet/teeth)
62. Teeth help to___(break good into smaller particles/make food sweeter/make food particles
bigger before swallowing/make the food cold before it is swallowed)
63. The digestive juice found in the mouth is called____.(Gastric juice/saliva)
64. The chemical that helps to digest food in the digestive system is called____.(Water/an acid/an
enzyme/milk)
65. After digestion, amino acids and glucose are _____.(Digested to produce proteins/absorbed
into the blood/lost as sweat and urine/not needed by the body)
66. Proteins are needed by the body for ____.(Energy/growth/resting /losing weight)
67. Starch when digested in the mouth it becomes a simple substance called____.(Maltose/peptides)
68. The digestive juice found in the stomach is called______.(Saliva/gastric juice)