- axial skeleton - skull, vertebral column, rib cage

- axial skeleton - skull, vertebral column, rib cage

Endoskeleton - internal (us)

- found within skeletal system

Three types of cells in the skeletal system:

- osteoblasts mature into osteocytes

- fixed joint - no movement (skull sutures)

synovial fluid

- 3 different types of muscle tissue - skeletal, smooth, and

(e.g. diaphragm for breathing)

3. Cardiac Muscle

Integumentary System

- melanocytes - produce melanin = dark brown pigment