Alveolar bone -->
That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth.
45% inorganic. For example calcium, phosphates
55% organic. For example collagen fibres, ground substance, water.
there are two types of bone in tissue:
1. Compact bone
Compact haversian systems
2. Cancellous bone
Spaced haversian canals
Contains red bone marrow