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