Skeletal System: Definition, Structure, and Examples

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Skeletal System Definition

The major role of the skeleton is to provide structural support and protection, and it is made up mostly of bones, cartilage, ligaments, and tendons.

An organ system (or simply a system) is a collection of organs that work together to achieve a certain purpose. The integumentary system, lymphatic system, muscular system, nervous system, reproductive system, urinary system, respiratory system, skeletal system, and immunological system are the organ systems in humans and other animals.

The skeletal system is a set of organs that act as the structure for an organism’s body. Other structures such as bones, cartilage, ligaments, and tendons are produced in the connective tissues.

The skeleton refers to all of an organism’s bones and cartilage. It might be either an exoskeleton or an endoskeleton. The skeletal structures of an endoskeleton are located within the body.

An exoskeleton is a form of skeleton that exists outside of an organism’s body. An endoskeleton is found in most animals. The skeleton in humans is of the endoskeleton type, with 206 bones.

The smallest bones are located in the middle ear, whereas the femur is the biggest bone. Crabs, shrimp, insects, and a variety of other invertebrates have exoskeletons.

Skeletal System Citations


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