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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 648 · 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.True or false: the blood is part of the circulatory system. (a) True (b) False
  2. 2.👂 The smallest bone of the body is in the ___. (a) nose (b) toe (c) finger (d) ear
  3. 3.Which of these is part of the circulatory system? (a) thigh bone (b) blood vessel (c) backbone (d) large intestine
  4. 4.What is a job of the lungs? (a) thinking and learning (b) protecting the brain (c) taking in oxygen (d) guarding heart and lungs
  5. 5.🦷 How many permanent teeth does a grown-up have in all?
  6. 6.What is a job of the muscles? (a) pumping blood (b) protecting the brain (c) pulling bones to move (d) cleaning the blood
  7. 7.🫁 How many lungs do we have?
  8. 8.🔍 Which is the odd one out? (a) blood (b) blood vessel (c) heart (d) brain
  9. 9.🫀 The brain is part of which body system? (a) digestive system (b) respiratory system (c) skeletal system (d) nervous system
  10. 10.True or false: guarding heart and lungs is a job of the ribs. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) thigh bone (b) skull (c) backbone (d) spinal cord
  12. 12.🫀 The skull is part of which body system? (a) nervous system (b) digestive system (c) respiratory system (d) skeletal system
  13. 13.True or false: taking in oxygen is a job of the lungs. (a) False (b) True
  14. 14.What is a job of the ribs? (a) churning food (b) guarding heart and lungs (c) protecting the brain (d) thinking and learning
  15. 15.🧍 Which is the largest organ of the human body? (a) skin (b) heart (c) kidney (d) brain
  16. 16.🦷 How many milk teeth does a child have?
  17. 17.🔍 Which is the odd one out? (a) windpipe (b) liver (c) food pipe (d) large intestine
  18. 18.True or false: the small intestine is part of the skeletal system. (a) False (b) True
  19. 19.Which of these is part of the digestive system? (a) liver (b) blood vessel (c) rib (d) brain
  20. 20.🫀 The small intestine is part of which body system? (a) respiratory system (b) circulatory system (c) skeletal system (d) digestive system
  21. 21.True or false: pumping blood is a job of the heart. (a) False (b) True
  22. 22.True or false: thinking and learning is a job of the brain. (a) True (b) False
  23. 23.Which of these is part of the digestive system? (a) windpipe (b) rib (c) backbone (d) small intestine
  24. 24.🩺 Which body part has this job: protecting the brain? (a) heart (b) skull (c) lungs (d) brain
  25. 25.🦵 The longest bone of the body is in the ___. (a) finger (b) arm (c) thigh (d) neck
  26. 26.💨 Which gas does our body need from the air we breathe in? (a) steam (b) oxygen (c) carbon dioxide (d) smoke
  27. 27.True or false: the stomach is part of the digestive system. (a) False (b) True
  28. 28.True or false: the nerve is part of the skeletal system. (a) False (b) True
  29. 29.🩺 Which body part has this job: churning food? (a) heart (b) skull (c) kidneys (d) stomach
  30. 30.Which of these is part of the digestive system? (a) large intestine (b) thigh bone (c) blood (d) spinal cord
  31. 31.🫘 How many kidneys do we have?
  32. 32.🫀 The liver is part of which body system? (a) respiratory system (b) digestive system (c) circulatory system (d) nervous system
  33. 33.True or false: the thigh bone is part of the respiratory system. (a) False (b) True
  34. 34.True or false: churning food is a job of the heart. (a) False (b) True
  35. 35.Which of these is part of the skeletal system? (a) backbone (b) blood (c) food pipe (d) small intestine
  36. 36.Which of these is part of the nervous system? (a) blood (b) nerve (c) small intestine (d) thigh bone
  37. 37.What is a job of the skull? (a) protecting the brain (b) cleaning the blood (c) pulling bones to move (d) churning food
  38. 38.What is a job of the skin? (a) taking in oxygen (b) covering the body (c) pumping blood (d) thinking and learning
  39. 39.🔍 Which is the odd one out? (a) spinal cord (b) brain (c) backbone (d) nerve
  40. 40.True or false: protecting the brain is a job of the skull. (a) True (b) False

Answer key

  1. True
  2. ear
  3. blood vessel
  4. taking in oxygen
  5. 32
  6. pulling bones to move
  7. 2
  8. brain
  9. nervous system
  10. True
  11. spinal cord
  12. skeletal system
  13. True
  14. guarding heart and lungs
  15. skin
  16. 20
  17. windpipe
  18. False
  19. liver
  20. digestive system
  21. True
  22. True
  23. small intestine
  24. skull
  25. thigh
  26. oxygen
  27. True
  28. False
  29. stomach
  30. large intestine
  31. 2
  32. digestive system
  33. False
  34. False
  35. backbone
  36. nerve
  37. protecting the brain
  38. covering the body
  39. backbone
  40. True

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