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