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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 206 · 40 questions
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Remember (Which team?): Digestive: food pipe, stomach, intestines, liver. Respiratory: windpipe, lungs. Circulatory: heart, blood vessels, blood. Nervous: brain, spinal cord, nerves. Skeletal: skull, ribs, backbone. Jobs: heart – pumps blood, lungs – take in oxygen, kidneys – clean the blood, skull – protects the brain, ribs – guard heart and lungs. Numbers: 206 bones, 4 chambers in the heart, 2 lungs, 2 kidneys, 32 grown-up teeth.

NameDateTime takenScore ___ / 40
  1. 1.🧍 Which is the largest organ of the human body? (a) brain (b) skin (c) kidney (d) heart
  2. 2.🫀 The liver is part of which body system? (a) circulatory system (b) digestive system (c) skeletal system (d) respiratory system
  3. 3.👄 Where does digestion begin? (a) in the stomach (b) in the lungs (c) in the mouth (d) in the heart
  4. 4.🩺 Which body part has this job: taking in oxygen? (a) muscles (b) skull (c) lungs (d) stomach
  5. 5.🩺 Which body part has this job: pumping blood? (a) heart (b) skull (c) stomach (d) brain
  6. 6.Which of these is part of the skeletal system? (a) liver (b) backbone (c) spinal cord (d) large intestine
  7. 7.True or false: the liver is part of the respiratory system. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) spinal cord (b) brain (c) nerve (d) heart
  9. 9.🦷 How many permanent teeth does a grown-up have in all?
  10. 10.👂 The smallest bone of the body is in the ___. (a) nose (b) ear (c) finger (d) toe
  11. 11.🫀 The thigh bone is part of which body system? (a) respiratory system (b) skeletal system (c) nervous system (d) digestive system
  12. 12.🫀 The blood is part of which body system? (a) respiratory system (b) circulatory system (c) nervous system (d) skeletal system
  13. 13.🦴 How many bones are there in a grown-up’s body?
  14. 14.🔍 Which is the odd one out? (a) large intestine (b) food pipe (c) lung (d) small intestine
  15. 15.True or false: covering the body is a job of the ribs. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) nerve (b) small intestine (c) brain (d) spinal cord
  17. 17.🫁 How many lungs do we have?
  18. 18.Which of these is part of the digestive system? (a) rib (b) large intestine (c) backbone (d) windpipe
  19. 19.Which of these is part of the digestive system? (a) stomach (b) spinal cord (c) skull (d) heart
  20. 20.True or false: the small intestine is part of the digestive system. (a) True (b) False
  21. 21.What is a job of the heart? (a) taking in oxygen (b) pumping blood (c) pulling bones to move (d) covering the body
  22. 22.True or false: cleaning the blood is a job of the kidneys. (a) False (b) True
  23. 23.True or false: taking in oxygen is a job of the lungs. (a) False (b) True
  24. 24.What is a job of the lungs? (a) pulling bones to move (b) churning food (c) taking in oxygen (d) pumping blood
  25. 25.Which of these is part of the nervous system? (a) liver (b) backbone (c) blood (d) spinal cord
  26. 26.🫀 The lung is part of which body system? (a) digestive system (b) skeletal system (c) nervous system (d) respiratory system
  27. 27.Which of these is part of the circulatory system? (a) stomach (b) windpipe (c) nerve (d) heart
  28. 28.True or false: the windpipe is part of the respiratory system. (a) False (b) True
  29. 29.🦷 How many milk teeth does a child have?
  30. 30.What is a job of the ribs? (a) taking in oxygen (b) protecting the brain (c) pumping blood (d) guarding heart and lungs
  31. 31.🦵 The longest bone of the body is in the ___. (a) neck (b) finger (c) thigh (d) arm
  32. 32.🩺 Which body part has this job: pulling bones to move? (a) brain (b) heart (c) muscles (d) kidneys
  33. 33.🔍 Which is the odd one out? (a) heart (b) blood vessel (c) thigh bone (d) blood
  34. 34.💨 Which gas does our body need from the air we breathe in? (a) carbon dioxide (b) steam (c) oxygen (d) smoke
  35. 35.🫀 The heart is part of which body system? (a) digestive system (b) circulatory system (c) nervous system (d) respiratory system
  36. 36.True or false: the backbone is part of the skeletal system. (a) False (b) True
  37. 37.What is a job of the kidneys? (a) thinking and learning (b) taking in oxygen (c) covering the body (d) cleaning the blood
  38. 38.🔍 Which is the odd one out? (a) liver (b) food pipe (c) blood (d) stomach
  39. 39.Which of these is part of the digestive system? (a) food pipe (b) thigh bone (c) rib (d) windpipe
  40. 40.True or false: taking in oxygen is a job of the kidneys. (a) True (b) False

Answer key

  1. skin
  2. digestive system
  3. in the mouth
  4. lungs
  5. heart
  6. backbone
  7. False
  8. heart
  9. 32
  10. ear
  11. skeletal system
  12. circulatory system
  13. 206
  14. lung
  15. False
  16. small intestine
  17. 2
  18. large intestine
  19. stomach
  20. True
  21. pumping blood
  22. True
  23. True
  24. taking in oxygen
  25. spinal cord
  26. respiratory system
  27. heart
  28. True
  29. 20
  30. guarding heart and lungs
  31. thigh
  32. muscles
  33. thigh bone
  34. oxygen
  35. circulatory system
  36. True
  37. cleaning the blood
  38. blood
  39. food pipe
  40. False

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