Function+of+the+Skeletal+System,+p9

Functions of the Skeletal System
1.) **Support**- Provides a framework for the body by supporting soft tissues and providing points of attachment for skeletal muscles.

2.) **Protection**- Internal organs are protected from injury by the skeleton. Ex: Brain is protected by the skull

3.) **Movement**- Skeletal muscles attach to bones as muscle contracts it produces movement.

4.) **Mineral storage and homeostasis**- Bones store minerals such as calcium and phosphorus. The bones can then release them as needed to maintain homeostasis.

5.) **Site of Blood Cell Production**: Red Bone Marrow- is a connective tissue in certain bones that make blood cells. Hemopoiesis- process of making blood cells

6.) **Storage of Energy:** Yellow Bone Marrow- primarily adipose (fatty) tissue and serves as energy storage for the body

6 Types of Bones
1.) Long Bones - longer than they are wide. - Made of two parts (shaft) (extremities) - Arms, legs, fingers and toes

2.) Short Bones <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- Length and width about equal <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- Ex: wrist and ankle bones

<span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">3.) Flat Bones <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- thin and flat <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- serves as protection and site of muscle attachment <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- Ex: cranial bones, sternum, ribs

<span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">4.) Irregular Bones <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- complex shapes that cannot be classified into any previous categories <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- Ex: vertebrae and facial bones

<span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">5.) Sutural Bones <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- small bones that form between joints of cranial bones, number varies from person to person

<span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">6.) Seasamoid Bones <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- small bones in tendons in areas of high pressure <span style="color: #000080; font-family: 'Arial Black',Gadget,sans-serif;">- Ex: patella and in the wrist