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