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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 143 · 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 odd one out? (a) thigh bone (b) rib (c) backbone (d) small intestine
  2. 2.🫀 The large intestine is part of which body system? (a) nervous system (b) digestive system (c) circulatory system (d) respiratory system
  3. 3.What is a job of the kidneys? (a) guarding heart and lungs (b) covering the body (c) taking in oxygen (d) cleaning the blood
  4. 4.Which of these is part of the respiratory system? (a) liver (b) brain (c) windpipe (d) backbone
  5. 5.Which of these is part of the circulatory system? (a) food pipe (b) large intestine (c) skull (d) blood vessel
  6. 6.💨 Which gas does our body need from the air we breathe in? (a) smoke (b) steam (c) carbon dioxide (d) oxygen
  7. 7.👄 Where does digestion begin? (a) in the lungs (b) in the stomach (c) in the heart (d) in the mouth
  8. 8.True or false: the skull is part of the skeletal system. (a) True (b) False
  9. 9.Which of these is part of the circulatory system? (a) rib (b) heart (c) thigh bone (d) windpipe
  10. 10.🦵 The longest bone of the body is in the ___. (a) neck (b) thigh (c) arm (d) finger
  11. 11.🔍 Which is the odd one out? (a) nerve (b) brain (c) windpipe (d) spinal cord
  12. 12.🫀 The brain is part of which body system? (a) nervous system (b) respiratory system (c) circulatory system (d) digestive system
  13. 13.🦴 How many bones are there in a grown-up’s body?
  14. 14.🔍 Which is the odd one out? (a) small intestine (b) liver (c) stomach (d) thigh bone
  15. 15.True or false: taking in oxygen is a job of the ribs. (a) True (b) False
  16. 16.🫀 The spinal cord is part of which body system? (a) skeletal system (b) circulatory system (c) respiratory system (d) nervous system
  17. 17.True or false: the small intestine is part of the circulatory system. (a) True (b) False
  18. 18.What is a job of the stomach? (a) pumping blood (b) covering the body (c) churning food (d) thinking and learning
  19. 19.True or false: the brain is part of the nervous system. (a) True (b) False
  20. 20.👂 The smallest bone of the body is in the ___. (a) toe (b) finger (c) nose (d) ear
  21. 21.True or false: thinking and learning is a job of the muscles. (a) False (b) True
  22. 22.True or false: protecting the brain is a job of the kidneys. (a) True (b) False
  23. 23.🩺 Which body part has this job: protecting the brain? (a) heart (b) brain (c) skin (d) skull
  24. 24.🩺 Which body part has this job: thinking and learning? (a) lungs (b) brain (c) ribs (d) skull
  25. 25.❤️ How many chambers (rooms) does the human heart have?
  26. 26.True or false: pumping blood is a job of the heart. (a) False (b) True
  27. 27.What is a job of the heart? (a) churning food (b) pumping blood (c) protecting the brain (d) taking in oxygen
  28. 28.Which of these is part of the circulatory system? (a) food pipe (b) windpipe (c) liver (d) blood
  29. 29.🫀 The windpipe is part of which body system? (a) nervous system (b) respiratory system (c) digestive system (d) skeletal system
  30. 30.Which of these is part of the skeletal system? (a) stomach (b) lung (c) skull (d) brain
  31. 31.True or false: the thigh bone is part of the digestive system. (a) False (b) True
  32. 32.Which of these is part of the respiratory system? (a) heart (b) lung (c) thigh bone (d) rib
  33. 33.🔍 Which is the odd one out? (a) lung (b) liver (c) food pipe (d) stomach
  34. 34.True or false: the liver is part of the digestive system. (a) True (b) False
  35. 35.🧍 Which is the largest organ of the human body? (a) heart (b) brain (c) skin (d) kidney
  36. 36.True or false: protecting the brain is a job of the skull. (a) True (b) False
  37. 37.🦷 How many milk teeth does a child have?
  38. 38.Which of these is part of the digestive system? (a) nerve (b) backbone (c) small intestine (d) spinal cord
  39. 39.True or false: the stomach is part of the digestive system. (a) False (b) True
  40. 40.True or false: cleaning the blood is a job of the heart. (a) False (b) True

Answer key

  1. small intestine
  2. digestive system
  3. cleaning the blood
  4. windpipe
  5. blood vessel
  6. oxygen
  7. in the mouth
  8. True
  9. heart
  10. thigh
  11. windpipe
  12. nervous system
  13. 206
  14. thigh bone
  15. False
  16. nervous system
  17. False
  18. churning food
  19. True
  20. ear
  21. False
  22. False
  23. skull
  24. brain
  25. 4
  26. True
  27. pumping blood
  28. blood
  29. respiratory system
  30. skull
  31. False
  32. lung
  33. lung
  34. True
  35. skin
  36. True
  37. 20
  38. small intestine
  39. True
  40. False

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