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