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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 825 · 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) smoke (b) oxygen (c) carbon dioxide (d) steam
  2. 2.What is a job of the heart? (a) churning food (b) thinking and learning (c) protecting the brain (d) pumping blood
  3. 3.What is a job of the skull? (a) taking in oxygen (b) churning food (c) protecting the brain (d) pulling bones to move
  4. 4.What is a job of the ribs? (a) guarding heart and lungs (b) thinking and learning (c) covering the body (d) taking in oxygen
  5. 5.True or false: guarding heart and lungs is a job of the ribs. (a) False (b) True
  6. 6.True or false: the small intestine is part of the digestive system. (a) False (b) True
  7. 7.🔍 Which is the odd one out? (a) spinal cord (b) nerve (c) small intestine (d) brain
  8. 8.True or false: the backbone is part of the circulatory system. (a) False (b) True
  9. 9.🩺 Which body part has this job: protecting the brain? (a) kidneys (b) ribs (c) stomach (d) skull
  10. 10.🫁 How many lungs do we have?
  11. 11.Which of these is part of the nervous system? (a) thigh bone (b) rib (c) blood vessel (d) nerve
  12. 12.🔍 Which is the odd one out? (a) brain (b) spinal cord (c) blood vessel (d) nerve
  13. 13.True or false: the lung is part of the digestive system. (a) False (b) True
  14. 14.True or false: the backbone is part of the nervous system. (a) True (b) False
  15. 15.👄 Where does digestion begin? (a) in the stomach (b) in the mouth (c) in the lungs (d) in the heart
  16. 16.🫀 The thigh bone is part of which body system? (a) skeletal system (b) nervous system (c) respiratory system (d) circulatory system
  17. 17.True or false: cleaning the blood is a job of the skin. (a) False (b) True
  18. 18.🦵 The longest bone of the body is in the ___. (a) arm (b) thigh (c) neck (d) finger
  19. 19.True or false: guarding heart and lungs is a job of the lungs. (a) False (b) True
  20. 20.🦷 How many permanent teeth does a grown-up have in all?
  21. 21.True or false: the lung is part of the skeletal system. (a) True (b) False
  22. 22.Which of these is part of the respiratory system? (a) lung (b) large intestine (c) thigh bone (d) heart
  23. 23.🦷 How many milk teeth does a child have?
  24. 24.🫀 The food pipe is part of which body system? (a) respiratory system (b) circulatory system (c) nervous system (d) digestive system
  25. 25.True or false: the stomach is part of the skeletal system. (a) False (b) True
  26. 26.What is a job of the skin? (a) covering the body (b) guarding heart and lungs (c) taking in oxygen (d) churning food
  27. 27.🦴 How many bones are there in a grown-up’s body?
  28. 28.True or false: pumping blood is a job of the heart. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) blood (b) lung (c) blood vessel (d) heart
  30. 30.🩺 Which body part has this job: thinking and learning? (a) ribs (b) brain (c) skull (d) lungs
  31. 31.True or false: covering the body is a job of the lungs. (a) True (b) False
  32. 32.True or false: the blood is part of the circulatory system. (a) False (b) True
  33. 33.🩺 Which body part has this job: covering the body? (a) lungs (b) muscles (c) skin (d) brain
  34. 34.True or false: cleaning the blood is a job of the kidneys. (a) True (b) False
  35. 35.True or false: the skull is part of the digestive system. (a) True (b) False
  36. 36.True or false: the lung is part of the nervous system. (a) True (b) False
  37. 37.👂 The smallest bone of the body is in the ___. (a) finger (b) nose (c) toe (d) ear
  38. 38.🔍 Which is the odd one out? (a) nerve (b) spinal cord (c) large intestine (d) brain
  39. 39.🩺 Which body part has this job: churning food? (a) lungs (b) brain (c) stomach (d) muscles
  40. 40.Which of these is part of the digestive system? (a) nerve (b) thigh bone (c) blood vessel (d) small intestine

Answer key

  1. oxygen
  2. pumping blood
  3. protecting the brain
  4. guarding heart and lungs
  5. True
  6. True
  7. small intestine
  8. False
  9. skull
  10. 2
  11. nerve
  12. blood vessel
  13. False
  14. False
  15. in the mouth
  16. skeletal system
  17. False
  18. thigh
  19. False
  20. 32
  21. False
  22. lung
  23. 20
  24. digestive system
  25. False
  26. covering the body
  27. 206
  28. True
  29. lung
  30. brain
  31. False
  32. True
  33. skin
  34. True
  35. False
  36. False
  37. ear
  38. large intestine
  39. stomach
  40. small intestine

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