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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 668 · 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 gas does our body need from the air we breathe in? (a) oxygen (b) smoke (c) carbon dioxide (d) steam
  2. 2.What is a job of the kidneys? (a) protecting the brain (b) pumping blood (c) cleaning the blood (d) guarding heart and lungs
  3. 3.True or false: covering the body is a job of the skin. (a) False (b) True
  4. 4.Which of these is part of the skeletal system? (a) windpipe (b) skull (c) small intestine (d) blood vessel
  5. 5.🩺 Which body part has this job: taking in oxygen? (a) heart (b) kidneys (c) skin (d) lungs
  6. 6.🧍 Which is the largest organ of the human body? (a) kidney (b) skin (c) brain (d) heart
  7. 7.🫀 The spinal cord is part of which body system? (a) respiratory system (b) nervous system (c) circulatory system (d) skeletal system
  8. 8.True or false: the blood vessel is part of the digestive system. (a) False (b) True
  9. 9.True or false: guarding heart and lungs is a job of the ribs. (a) True (b) False
  10. 10.True or false: the skull is part of the skeletal system. (a) True (b) False
  11. 11.True or false: thinking and learning is a job of the ribs. (a) True (b) False
  12. 12.Which of these is part of the digestive system? (a) large intestine (b) heart (c) backbone (d) blood
  13. 13.🫁 How many lungs do we have?
  14. 14.True or false: pumping blood is a job of the heart. (a) True (b) False
  15. 15.👄 Where does digestion begin? (a) in the stomach (b) in the heart (c) in the lungs (d) in the mouth
  16. 16.🦷 How many milk teeth does a child have?
  17. 17.❤️ How many chambers (rooms) does the human heart have?
  18. 18.🦴 How many bones are there in a grown-up’s body?
  19. 19.Which of these is part of the digestive system? (a) lung (b) nerve (c) stomach (d) backbone
  20. 20.🫘 How many kidneys do we have?
  21. 21.🩺 Which body part has this job: thinking and learning? (a) skull (b) heart (c) brain (d) muscles
  22. 22.🫀 The liver is part of which body system? (a) skeletal system (b) respiratory system (c) nervous system (d) digestive system
  23. 23.🫀 The heart is part of which body system? (a) respiratory system (b) skeletal system (c) circulatory system (d) digestive system
  24. 24.What is a job of the stomach? (a) thinking and learning (b) taking in oxygen (c) covering the body (d) churning food
  25. 25.True or false: taking in oxygen is a job of the lungs. (a) False (b) True
  26. 26.What is a job of the heart? (a) taking in oxygen (b) churning food (c) pumping blood (d) pulling bones to move
  27. 27.What is a job of the brain? (a) thinking and learning (b) cleaning the blood (c) churning food (d) pumping blood
  28. 28.👂 The smallest bone of the body is in the ___. (a) toe (b) nose (c) finger (d) ear
  29. 29.True or false: thinking and learning is a job of the brain. (a) False (b) True
  30. 30.🩺 Which body part has this job: cleaning the blood? (a) heart (b) muscles (c) kidneys (d) stomach
  31. 31.Which of these is part of the respiratory system? (a) blood vessel (b) liver (c) lung (d) stomach
  32. 32.Which of these is part of the nervous system? (a) food pipe (b) nerve (c) stomach (d) heart
  33. 33.What is a job of the muscles? (a) churning food (b) taking in oxygen (c) pulling bones to move (d) cleaning the blood
  34. 34.🫀 The windpipe is part of which body system? (a) digestive system (b) skeletal system (c) respiratory system (d) nervous system
  35. 35.True or false: covering the body is a job of the heart. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) brain (b) spinal cord (c) backbone (d) nerve
  37. 37.True or false: the blood is part of the digestive system. (a) True (b) False
  38. 38.Which of these is part of the circulatory system? (a) lung (b) rib (c) blood (d) food pipe
  39. 39.True or false: protecting the brain is a job of the skin. (a) True (b) False
  40. 40.True or false: the small intestine is part of the digestive system. (a) False (b) True

Answer key

  1. oxygen
  2. cleaning the blood
  3. True
  4. skull
  5. lungs
  6. skin
  7. nervous system
  8. False
  9. True
  10. True
  11. False
  12. large intestine
  13. 2
  14. True
  15. in the mouth
  16. 20
  17. 4
  18. 206
  19. stomach
  20. 2
  21. brain
  22. digestive system
  23. circulatory system
  24. churning food
  25. True
  26. pumping blood
  27. thinking and learning
  28. ear
  29. True
  30. kidneys
  31. lung
  32. nerve
  33. pulling bones to move
  34. respiratory system
  35. False
  36. backbone
  37. False
  38. blood
  39. False
  40. True

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