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