2.  Support  Protection

3.  Movement  Makes blood Cells

4.  Bones grow and replace cells on a continual basis

5.  Types  Ball and socket  Condyloid  Gliding  Hinge  Pivot  Saddle

6.  Muscles  long cells full of mitochondria bound together in bundles  Tendons  connect the muscle to the bones  Ligaments  attach bones to bones

7.  Muscles do not push they only contract and relax  work in pairs to produce movement across a joint  Bicep-Tricep

8.  Muscle Strength  With a partner investigate how quickly your muscles fatigue when exercised  Title  Complete the chart  Calculate your average times  Write a conclusion