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.Which of these is part of the digestive system? (a) brain (b) stomach (c) rib (d) windpipe
- 2.🦷 How many permanent teeth does a grown-up have in all?
- 3.🫀 The blood is part of which body system? (a) nervous system (b) skeletal system (c) digestive system (d) circulatory system
- 4.🫀 The nerve is part of which body system? (a) circulatory system (b) respiratory system (c) digestive system (d) nervous system
- 5.What is a job of the brain? (a) covering the body (b) cleaning the blood (c) pumping blood (d) thinking and learning
- 6.Which of these is part of the nervous system? (a) brain (b) blood (c) heart (d) rib
- 7.🫁 How many lungs do we have?
- 8.True or false: the skull is part of the skeletal system. (a) False (b) True
- 9.Which of these is part of the respiratory system? (a) skull (b) stomach (c) lung (d) spinal cord
- 10.🦷 How many milk teeth does a child have?
- 11.🦴 How many bones are there in a grown-up’s body?
- 12.True or false: pumping blood is a job of the heart. (a) True (b) False
- 13.🔍 Which is the odd one out? (a) heart (b) windpipe (c) blood (d) blood vessel
- 14.🩺 Which body part has this job: taking in oxygen? (a) brain (b) heart (c) lungs (d) kidneys
- 15.What is a job of the skull? (a) pumping blood (b) protecting the brain (c) churning food (d) pulling bones to move
- 16.True or false: the large intestine is part of the digestive system. (a) False (b) True
- 17.🔍 Which is the odd one out? (a) skull (b) small intestine (c) large intestine (d) liver
- 18.💨 Which gas does our body need from the air we breathe in? (a) oxygen (b) smoke (c) steam (d) carbon dioxide
- 19.🫀 The windpipe is part of which body system? (a) skeletal system (b) respiratory system (c) nervous system (d) circulatory system
- 20.🔍 Which is the odd one out? (a) backbone (b) skull (c) lung (d) thigh bone
- 21.True or false: the blood is part of the digestive system. (a) False (b) True
- 22.True or false: guarding heart and lungs is a job of the heart. (a) False (b) True
- 23.Which of these is part of the respiratory system? (a) windpipe (b) large intestine (c) liver (d) food pipe
- 24.🩺 Which body part has this job: protecting the brain? (a) ribs (b) skin (c) heart (d) skull
- 25.🫀 The food pipe is part of which body system? (a) circulatory system (b) nervous system (c) digestive system (d) skeletal system
- 26.🔍 Which is the odd one out? (a) blood vessel (b) heart (c) blood (d) spinal cord
- 27.Which of these is part of the skeletal system? (a) liver (b) rib (c) food pipe (d) windpipe
- 28.Which of these is part of the digestive system? (a) liver (b) nerve (c) brain (d) heart
- 29.🩺 Which body part has this job: pulling bones to move? (a) muscles (b) skull (c) skin (d) brain
- 30.What is a job of the skin? (a) churning food (b) guarding heart and lungs (c) cleaning the blood (d) covering the body
- 31.Which of these is part of the nervous system? (a) heart (b) stomach (c) blood (d) nerve
- 32.🫀 The liver is part of which body system? (a) nervous system (b) respiratory system (c) skeletal system (d) digestive system
- 33.🫘 How many kidneys do we have?
- 34.👂 The smallest bone of the body is in the ___. (a) nose (b) toe (c) ear (d) finger
- 35.True or false: the rib is part of the respiratory system. (a) True (b) False
- 36.Which of these is part of the skeletal system? (a) spinal cord (b) nerve (c) small intestine (d) thigh bone
- 37.🩺 Which body part has this job: churning food? (a) muscles (b) skin (c) heart (d) stomach
- 38.👄 Where does digestion begin? (a) in the lungs (b) in the mouth (c) in the stomach (d) in the heart
- 39.🩺 Which body part has this job: thinking and learning? (a) kidneys (b) brain (c) skull (d) ribs
- 40.🔍 Which is the odd one out? (a) small intestine (b) blood (c) large intestine (d) food pipe
Answer key
- stomach
- 32
- circulatory system
- nervous system
- thinking and learning
- brain
- 2
- True
- lung
- 20
- 206
- True
- windpipe
- lungs
- protecting the brain
- True
- skull
- oxygen
- respiratory system
- lung
- False
- False
- windpipe
- skull
- digestive system
- spinal cord
- rib
- liver
- muscles
- covering the body
- nerve
- digestive system
- 2
- ear
- False
- thigh bone
- stomach
- in the mouth
- brain
- blood
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