Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 822 · 40 questions

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.

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

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