Unit 1 skeleton, joints and muscles

Download Unit 1 skeleton, joints and muscles

Post on 12-Apr-2017




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SKELETON, JOINTS AND MUSCLESTHIS IS MY SKELETONThe skeleton has 206 bones. headtorsolimbsThe skeleton has 3 parts: skull, torso and the limbs.The skeleton has 2 functions:It supports our body.It protects the delicate organs inside our body.Our bones are connected at joints.JOINTSOur elbows, knees, shoulders, wrists and ankles are all joints. There are 600 muscles in our body. THERE ARE 2 TYPES OF MUSCLESvoluntaryinvoluntary1. We can move voluntary muscles when we want.2. We cant control involuntary muscles: they move automatically.Muscles relax and contract.