Class 3 GK Worksheet: Human Body Systems

GK lesson 14: Human body systems · Set 152 · 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 of these is part of the digestive system? (a) nerve (b) lung (c) windpipe (d) stomach
2. 2.🔍 Which is the odd one out? (a) blood (b) blood vessel (c) brain (d) heart
3. 3.🦵 The longest bone of the body is in the ___. (a) thigh (b) neck (c) finger (d) arm
4. 4.True or false: the skull is part of the digestive system. (a) True (b) False
5. 5.🫀 The stomach is part of which body system? (a) respiratory system (b) skeletal system (c) circulatory system (d) digestive system
6. 6.🦷 How many milk teeth does a child have?
7. 7.🫀 The food pipe is part of which body system? (a) nervous system (b) digestive system (c) respiratory system (d) skeletal system
8. 8.🔍 Which is the odd one out? (a) liver (b) stomach (c) lung (d) food pipe
9. 9.🦴 How many bones are there in a grown-up’s body?
10. 10.🧍 Which is the largest organ of the human body? (a) skin (b) kidney (c) heart (d) brain
11. 11.🔍 Which is the odd one out? (a) skull (b) small intestine (c) backbone (d) thigh bone
12. 12.True or false: the rib is part of the skeletal system. (a) True (b) False
13. 13.Which of these is part of the circulatory system? (a) blood vessel (b) thigh bone (c) skull (d) rib
14. 14.🩺 Which body part has this job: taking in oxygen? (a) ribs (b) lungs (c) skin (d) kidneys
15. 15.Which of these is part of the digestive system? (a) skull (b) large intestine (c) nerve (d) thigh bone
16. 16.What is a job of the kidneys? (a) thinking and learning (b) taking in oxygen (c) cleaning the blood (d) protecting the brain
17. 17.🩺 Which body part has this job: churning food? (a) lungs (b) muscles (c) stomach (d) brain
18. 18.What is a job of the heart? (a) pulling bones to move (b) thinking and learning (c) pumping blood (d) covering the body
19. 19.🩺 Which body part has this job: cleaning the blood? (a) skull (b) kidneys (c) lungs (d) heart
20. 20.🫀 The rib is part of which body system? (a) respiratory system (b) circulatory system (c) digestive system (d) skeletal system
21. 21.❤️ How many chambers (rooms) does the human heart have?
22. 22.True or false: the backbone is part of the digestive system. (a) True (b) False
23. 23.🫀 The lung is part of which body system? (a) respiratory system (b) digestive system (c) nervous system (d) circulatory system
24. 24.🩺 Which body part has this job: guarding heart and lungs? (a) brain (b) ribs (c) lungs (d) skull
25. 25.Which of these is part of the skeletal system? (a) spinal cord (b) large intestine (c) small intestine (d) rib
26. 26.🔍 Which is the odd one out? (a) liver (b) stomach (c) heart (d) small intestine
27. 27.True or false: the spinal cord is part of the respiratory system. (a) False (b) True
28. 28.🫀 The liver is part of which body system? (a) respiratory system (b) circulatory system (c) digestive system (d) nervous system
29. 29.💨 Which gas does our body need from the air we breathe in? (a) steam (b) oxygen (c) carbon dioxide (d) smoke
30. 30.👄 Where does digestion begin? (a) in the stomach (b) in the lungs (c) in the mouth (d) in the heart
31. 31.🩺 Which body part has this job: covering the body? (a) heart (b) stomach (c) skin (d) skull
32. 32.🫀 The heart is part of which body system? (a) nervous system (b) circulatory system (c) respiratory system (d) digestive system
33. 33.True or false: protecting the brain is a job of the skull. (a) True (b) False
34. 34.What is a job of the lungs? (a) thinking and learning (b) protecting the brain (c) cleaning the blood (d) taking in oxygen
35. 35.👂 The smallest bone of the body is in the ___. (a) finger (b) toe (c) ear (d) nose
36. 36.🦷 How many permanent teeth does a grown-up have in all?
37. 37.What is a job of the brain? (a) churning food (b) pulling bones to move (c) thinking and learning (d) taking in oxygen
38. 38.True or false: the spinal cord is part of the nervous system. (a) True (b) False
39. 39.True or false: pumping blood is a job of the brain. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) rib (b) nerve (c) thigh bone (d) skull

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