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