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