Skeletal system
by nur nadiasuhaila illias
1. Types of bones
1.1. Flat bone
1.2. Long bone
1.2.1. Long than they are and wide act as lever. Ex:humerus,tibia,ulna
1.3. Short bone
1.4. Irregular bone
2. Types of bone cells
2.1. Osteocytes: mature bone cells, in the lacuna, cannot divide, develop from osteoblasts
2.1.1. Functions: maintain protein and mineral content of the surrounding matrix Participate in repair of damaged bone
2.2. Osteoblasts: Produce new bone matrix – osteogenesis
2.2.1. Promote calcium deposition into matrix