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