Skeletal System
The skeleton is the body framework that provides support, shape, and protection to the soft tissues and organs in animals. Without a skeleton, animals may not be able to move or carry out other life processes. The skeleton enables animals to move from place to place. Depending on the position of certain organisms in evolutionary trends, the skeleton helps determine their advancement and development. For example, humans can stand erect due to their sophisticated skeletal build-up.
Forms and Components of Skeletal Materials
- Cartilage
- Bones
- Cuticle
Types of Skeletons
- Hydrostatic
- Exoskeleton
- Endoskeleton
Main Bones of the Human Skeleton
- Skull
- Orbit
- Mandible
- Cervical Vertebra
- Scapula
- Sternum
- Ribs
- Humerus
- Vertebra
- Sacrum
- Radius
- Pelvis
- Tibia
- Ulna
- Patella
- Fibula
- Phalanges
- Femur
Joints
A joint is a point where two bones articulate. Bones in the body are connected by joints. Imagine what the human skeleton would look like if there were no joints; it may appear rigid and unable to move. Joints provide flexibility to bones for movement.
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