Bones
The Skeletal System
Functions of the skeletal system.
1. Protection
2. Support
3. Movement
4. Storage of minerals and fat
5. Where red blood cells are made
Bones have three parts.
1. Outer compact bone
2. Inner strengthening spongy bone.
3.Center bone marrow.
Joint Type examples:
fixed
hinge
ball and socket
gliding
Skull
Knee, elbow
Shoulder, hip
Wrist, ankle, neck
Ligaments-hold bones to otherbones at joints
Joints-where bones meet
Skeletal Injuries
1.Sprain – ligament is torn or stretched.
2.Dislocation – bone comes out of the joint.
3.Fracture – bone is broken.
Types of Bone Fractures:
Skeletal Diseases
1.Spinal curve problems
Scoliosis – spine curves in a ‘S’ shape
Three main types of spinal curve problems
Skeletal Diseases
1.Spinal curve problems
Scoliosis – spine curves in a ‘S’ shape
2.Arthritis – joint swell and have problems
3.Osteoporosis – bones lose minerals andbecome more fragile.