1) Which part of your skeleton protects the brain? a) Ribs b) Backbone  c) Skull d) Head 2) Which part of the skeleton protects the heart and lungs? a) Ribs b) Backbone c) Skull d) Head 3) What happens to your skeleton as your grow? a) It grows b) stays the same c) it gets smaller 4) An animal with a backbone is called a ... a) Invertebrate b) Vertebrate c) Spine d) backbone 5) Which of the animals below has its skeleton on the outside (exoskeleton)? a) Woodlouse b) Camel c) Tuna d) Falcon 6) We need a skeleton a) so we can move b) for support c) for protection d) all the above 7) How does your arm bend? a) One muscles pulls your arm up. b) One muscles pulls your arm both up and down c) The bones move your arm on their own. d) One pulls your arm up to bend it and the other muscles relaxes. 8) Muscles work together in pairs. a) True b) False 9) What is this bone called? a) Spine b) backbone c) hip d) pelvis 10) Which letter shows a joint? a) A b) B c) C d) D 11) What is a joint? a) A place where two bones meet b) The middle of a bone c) The end of a bone d) The spine 12) How many bones are there in the human body? a) 206 b) 260 c) 306 d) 106 13) The _____ protects the brain, inner ears, and eyes. a) brain b) skull c) bones 14) What is our skeleton made up of? a) Interstines b) lungs c) bones 15) What mineral are bones made of? a) Zinc b) Calcium c) Vitamin D 16) The skull is made of 1 bone a) True b) false 17) There are ____________ stages in the human life cycle. a) 4 b) 5 c) 6 18) Which type of teeth are shown in the image? a)  incisors b) canine c) molars 19) How many different types of teeth are there in an adult human? a) 4 b) 5 c) 2

Human body

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