The four layers of bone are:
1. periosteum
2. spongy tissue
3. endosteum
4. marrow cavity
skin, bones, and protection
bone marrow, compact bone, periosteum
intramembranous bones
The process of building up and breaking down bones is called calcification. This process begins with layers of calcium that are deposited on the bones or are removed from the bones via decalcification.
4 bones in your butt
Skin,mussels then bones
Compact bone & Cartukage
bone marrow compact bone spongy bone
Limestone
The cantaloupe has 4 layers.
The earths 4 layers are: Find Out Yourself Lazy
intramembranous bones
The process of building up and breaking down bones is called calcification. This process begins with layers of calcium that are deposited on the bones or are removed from the bones via decalcification.
No Penguins have 4 layers
they are bones from dragon