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