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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 676 · 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) heart (c) kidney (d) skin
  2. 2.🫘 How many kidneys do we have?
  3. 3.💨 Which gas does our body need from the air we breathe in? (a) steam (b) smoke (c) carbon dioxide (d) oxygen
  4. 4.🔍 Which is the odd one out? (a) food pipe (b) liver (c) large intestine (d) backbone
  5. 5.🦵 The longest bone of the body is in the ___. (a) thigh (b) finger (c) neck (d) arm
  6. 6.Which of these is part of the respiratory system? (a) liver (b) heart (c) rib (d) windpipe
  7. 7.True or false: the blood is part of the circulatory system. (a) False (b) True
  8. 8.What is a job of the heart? (a) protecting the brain (b) pumping blood (c) pulling bones to move (d) taking in oxygen
  9. 9.Which of these is part of the nervous system? (a) thigh bone (b) food pipe (c) lung (d) nerve
  10. 10.🦴 How many bones are there in a grown-up’s body?
  11. 11.What is a job of the lungs? (a) pulling bones to move (b) covering the body (c) guarding heart and lungs (d) taking in oxygen
  12. 12.🔍 Which is the odd one out? (a) brain (b) stomach (c) food pipe (d) small intestine
  13. 13.True or false: the brain is part of the nervous system. (a) False (b) True
  14. 14.🫀 The thigh bone is part of which body system? (a) digestive system (b) circulatory system (c) nervous system (d) skeletal system
  15. 15.Which of these is part of the digestive system? (a) skull (b) lung (c) liver (d) backbone
  16. 16.What is a job of the skin? (a) covering the body (b) guarding heart and lungs (c) churning food (d) pulling bones to move
  17. 17.🔍 Which is the odd one out? (a) small intestine (b) large intestine (c) food pipe (d) heart
  18. 18.True or false: cleaning the blood is a job of the lungs. (a) True (b) False
  19. 19.True or false: the large intestine is part of the digestive system. (a) True (b) False
  20. 20.🦷 How many milk teeth does a child have?
  21. 21.What is a job of the brain? (a) thinking and learning (b) taking in oxygen (c) covering the body (d) pulling bones to move
  22. 22.🔍 Which is the odd one out? (a) thigh bone (b) rib (c) skull (d) lung
  23. 23.🩺 Which body part has this job: covering the body? (a) skull (b) skin (c) muscles (d) brain
  24. 24.Which of these is part of the nervous system? (a) small intestine (b) windpipe (c) brain (d) heart
  25. 25.🩺 Which body part has this job: protecting the brain? (a) muscles (b) stomach (c) ribs (d) skull
  26. 26.What is a job of the stomach? (a) covering the body (b) thinking and learning (c) churning food (d) cleaning the blood
  27. 27.True or false: taking in oxygen is a job of the lungs. (a) False (b) True
  28. 28.What is a job of the skull? (a) protecting the brain (b) pumping blood (c) taking in oxygen (d) pulling bones to move
  29. 29.🫀 The windpipe is part of which body system? (a) digestive system (b) skeletal system (c) respiratory system (d) circulatory system
  30. 30.🩺 Which body part has this job: cleaning the blood? (a) lungs (b) skin (c) stomach (d) kidneys
  31. 31.True or false: pumping blood is a job of the heart. (a) True (b) False
  32. 32.True or false: guarding heart and lungs is a job of the ribs. (a) False (b) True
  33. 33.🫀 The heart is part of which body system? (a) respiratory system (b) digestive system (c) skeletal system (d) circulatory system
  34. 34.🔍 Which is the odd one out? (a) blood vessel (b) blood (c) heart (d) food pipe
  35. 35.True or false: thinking and learning is a job of the brain. (a) True (b) False
  36. 36.True or false: the rib is part of the skeletal system. (a) False (b) True
  37. 37.Which of these is part of the digestive system? (a) small intestine (b) heart (c) backbone (d) thigh bone
  38. 38.🔍 Which is the odd one out? (a) small intestine (b) large intestine (c) food pipe (d) blood vessel
  39. 39.True or false: the lung is part of the digestive system. (a) True (b) False
  40. 40.🩺 Which body part has this job: churning food? (a) ribs (b) heart (c) stomach (d) kidneys

Answer key

  1. skin
  2. 2
  3. oxygen
  4. backbone
  5. thigh
  6. windpipe
  7. True
  8. pumping blood
  9. nerve
  10. 206
  11. taking in oxygen
  12. brain
  13. True
  14. skeletal system
  15. liver
  16. covering the body
  17. heart
  18. False
  19. True
  20. 20
  21. thinking and learning
  22. lung
  23. skin
  24. brain
  25. skull
  26. churning food
  27. True
  28. protecting the brain
  29. respiratory system
  30. kidneys
  31. True
  32. True
  33. circulatory system
  34. food pipe
  35. True
  36. True
  37. small intestine
  38. blood vessel
  39. False
  40. stomach

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