Skeletal+System+Notes


 * Skeletal system Notes**


 * Functions
 * Protection of interal organs
 * Storage of minerals for future use
 * Movement by workign with the skeletal muscles
 * Blood Cell formation in the bone marrow
 * Compact Bones
 * Outer covering of all bones
 * A very small portion of the actual bone
 * Has no visible spaces in the bone structure
 * Spongy Bone
 * This makes up the majority ofthe boen structure
 * Provides the most structure and support
 * All the bone cells have spaces between each and looks 'holey' under closer looks
 * Marrow
 * Soft tissue area in the center of the bone
 * Blood cells are formed here and then released to the body
 * Cartilage
 * A soft flexible tissue
 * All bones start in this form
 * Can be found in your nose, ears, and growth plates
 * Ligaments
 * strong elastic bands that hold bones to bones
 * when stretched can repair on their own
 * When torn, requires surgery to fix
 * Joints
 * Sliding: in your wrist
 * Ball and Socket: hips and shoulders
 * Hinge: Like a door, knee, elbow
 * Some joints move more than others
 * There are a lot of joints in the skull, but they do not move.
 * Relationships - You can determine these on your own. :)
 * Relationships - You can determine these on your own. :)