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