Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 225 · 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) brain (b) heart (c) skin (d) kidney
2. 2.True or false: the spinal cord is part of the respiratory system. (a) True (b) False
3. 3.True or false: the lung is part of the skeletal system. (a) False (b) True
4. 4.True or false: covering the body is a job of the skin. (a) False (b) True
5. 5.🩺 Which body part has this job: covering the body? (a) skin (b) lungs (c) heart (d) kidneys
6. 6.🦵 The longest bone of the body is in the ___. (a) arm (b) thigh (c) finger (d) neck
7. 7.🫀 The blood vessel is part of which body system? (a) skeletal system (b) circulatory system (c) digestive system (d) nervous system
8. 8.🩺 Which body part has this job: churning food? (a) stomach (b) kidneys (c) brain (d) heart
9. 9.True or false: guarding heart and lungs is a job of the ribs. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) blood (b) heart (c) blood vessel (d) windpipe
11. 11.🔍 Which is the odd one out? (a) blood (b) spinal cord (c) nerve (d) brain
12. 12.💨 Which gas does our body need from the air we breathe in? (a) oxygen (b) steam (c) smoke (d) carbon dioxide
13. 13.🦴 How many bones are there in a grown-up’s body?
14. 14.🔍 Which is the odd one out? (a) spinal cord (b) blood vessel (c) nerve (d) brain
15. 15.True or false: the spinal cord is part of the circulatory system. (a) False (b) True
16. 16.Which of these is part of the nervous system? (a) skull (b) blood vessel (c) large intestine (d) brain
17. 17.True or false: pulling bones to move is a job of the stomach. (a) True (b) False
18. 18.Which of these is part of the skeletal system? (a) nerve (b) lung (c) brain (d) skull
19. 19.Which of these is part of the respiratory system? (a) windpipe (b) skull (c) thigh bone (d) brain
20. 20.🔍 Which is the odd one out? (a) thigh bone (b) rib (c) heart (d) skull
21. 21.True or false: the lung is part of the circulatory system. (a) True (b) False
22. 22.🫀 The brain is part of which body system? (a) nervous system (b) digestive system (c) circulatory system (d) skeletal system
23. 23.🩺 Which body part has this job: pulling bones to move? (a) kidneys (b) brain (c) skull (d) muscles
24. 24.🫀 The windpipe is part of which body system? (a) nervous system (b) circulatory system (c) respiratory system (d) skeletal system
25. 25.🫘 How many kidneys do we have?
26. 26.True or false: churning food is a job of the ribs. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) backbone (b) nerve (c) thigh bone (d) skull
28. 28.❤️ How many chambers (rooms) does the human heart have?
29. 29.🫀 The nerve is part of which body system? (a) respiratory system (b) nervous system (c) skeletal system (d) circulatory system
30. 30.👄 Where does digestion begin? (a) in the mouth (b) in the stomach (c) in the heart (d) in the lungs
31. 31.Which of these is part of the skeletal system? (a) rib (b) food pipe (c) stomach (d) large intestine
32. 32.🔍 Which is the odd one out? (a) blood vessel (b) heart (c) skull (d) blood
33. 33.Which of these is part of the skeletal system? (a) small intestine (b) backbone (c) liver (d) blood
34. 34.True or false: pumping blood is a job of the skin. (a) True (b) False
35. 35.What is a job of the brain? (a) thinking and learning (b) pumping blood (c) protecting the brain (d) cleaning the blood
36. 36.True or false: the small intestine is part of the circulatory system. (a) False (b) True
37. 37.🩺 Which body part has this job: thinking and learning? (a) muscles (b) brain (c) skin (d) kidneys
38. 38.👂 The smallest bone of the body is in the ___. (a) nose (b) finger (c) ear (d) toe
39. 39.🫀 The food pipe is part of which body system? (a) digestive system (b) nervous system (c) skeletal system (d) circulatory system
40. 40.🩺 Which body part has this job: protecting the brain? (a) lungs (b) skull (c) skin (d) stomach

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