1) how many skeleten system in the slide a) 1 b) 4 c) 5 d) 11 2) how many bones does the human skeleton have a) 306 b) 600 c) 100 d) 400 3) what is funtion of the skull a) protect stomach b) protect brain c) protect lung and heart d) protect knee 4) what are the main functions of the skeleton a) jumping,walking,sitting b) movement,looks good c) protection, running d) movement,support and blood production 5) where would you find the femur in you body a) calf b) Thigh c) arms d) leg

skeleton system

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