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