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Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 139 · 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.❤️ How many chambers (rooms) does the human heart have?
  2. 2.💨 Which gas does our body need from the air we breathe in? (a) smoke (b) steam (c) oxygen (d) carbon dioxide
  3. 3.True or false: the spinal cord is part of the nervous system. (a) True (b) False
  4. 4.🩺 Which body part has this job: churning food? (a) heart (b) skin (c) stomach (d) skull
  5. 5.🩺 Which body part has this job: protecting the brain? (a) heart (b) skull (c) ribs (d) kidneys
  6. 6.🩺 Which body part has this job: pulling bones to move? (a) muscles (b) heart (c) kidneys (d) lungs
  7. 7.Which of these is part of the digestive system? (a) food pipe (b) lung (c) thigh bone (d) skull
  8. 8.🔍 Which is the odd one out? (a) food pipe (b) rib (c) large intestine (d) stomach
  9. 9.🧍 Which is the largest organ of the human body? (a) brain (b) heart (c) kidney (d) skin
  10. 10.👂 The smallest bone of the body is in the ___. (a) nose (b) finger (c) toe (d) ear
  11. 11.Which of these is part of the digestive system? (a) windpipe (b) liver (c) blood vessel (d) spinal cord
  12. 12.🔍 Which is the odd one out? (a) spinal cord (b) brain (c) nerve (d) heart
  13. 13.True or false: pulling bones to move is a job of the muscles. (a) False (b) True
  14. 14.What is a job of the muscles? (a) pulling bones to move (b) guarding heart and lungs (c) churning food (d) cleaning the blood
  15. 15.Which of these is part of the skeletal system? (a) lung (b) liver (c) food pipe (d) thigh bone
  16. 16.What is a job of the skull? (a) pumping blood (b) covering the body (c) protecting the brain (d) guarding heart and lungs
  17. 17.🫁 How many lungs do we have?
  18. 18.🔍 Which is the odd one out? (a) skull (b) stomach (c) food pipe (d) small intestine
  19. 19.True or false: guarding heart and lungs is a job of the muscles. (a) False (b) True
  20. 20.Which of these is part of the circulatory system? (a) liver (b) nerve (c) small intestine (d) blood
  21. 21.🔍 Which is the odd one out? (a) lung (b) heart (c) blood vessel (d) blood
  22. 22.🦷 How many permanent teeth does a grown-up have in all?
  23. 23.What is a job of the lungs? (a) thinking and learning (b) covering the body (c) taking in oxygen (d) pumping blood
  24. 24.What is a job of the skin? (a) pulling bones to move (b) churning food (c) covering the body (d) pumping blood
  25. 25.🫀 The small intestine is part of which body system? (a) circulatory system (b) digestive system (c) respiratory system (d) nervous system
  26. 26.🔍 Which is the odd one out? (a) brain (b) spinal cord (c) nerve (d) food pipe
  27. 27.🩺 Which body part has this job: guarding heart and lungs? (a) brain (b) ribs (c) lungs (d) kidneys
  28. 28.True or false: cleaning the blood is a job of the kidneys. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) large intestine (b) small intestine (c) windpipe (d) food pipe
  30. 30.🦵 The longest bone of the body is in the ___. (a) thigh (b) neck (c) finger (d) arm
  31. 31.True or false: the large intestine is part of the skeletal system. (a) False (b) True
  32. 32.True or false: the skull is part of the digestive system. (a) True (b) False
  33. 33.What is a job of the brain? (a) guarding heart and lungs (b) cleaning the blood (c) thinking and learning (d) taking in oxygen
  34. 34.True or false: thinking and learning is a job of the brain. (a) True (b) False
  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) thigh bone (b) backbone (c) stomach (d) rib
  37. 37.True or false: the nerve is part of the skeletal system. (a) False (b) True
  38. 38.🫘 How many kidneys do we have?
  39. 39.True or false: the brain is part of the skeletal system. (a) True (b) False
  40. 40.🫀 The liver is part of which body system? (a) nervous system (b) circulatory system (c) digestive system (d) respiratory system

Answer key

  1. 4
  2. oxygen
  3. True
  4. stomach
  5. skull
  6. muscles
  7. food pipe
  8. rib
  9. skin
  10. ear
  11. liver
  12. heart
  13. True
  14. pulling bones to move
  15. thigh bone
  16. protecting the brain
  17. 2
  18. skull
  19. False
  20. blood
  21. lung
  22. 32
  23. taking in oxygen
  24. covering the body
  25. digestive system
  26. food pipe
  27. ribs
  28. True
  29. windpipe
  30. thigh
  31. False
  32. False
  33. thinking and learning
  34. True
  35. False
  36. stomach
  37. False
  38. 2
  39. False
  40. digestive system

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