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