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