The human Skeletal system or the locomotor system gives humans the ability to move. It provides form, structure, support to body, stability, and movement to the body.

It is made up of the bones of the muscles, skeleton, cartilage, tendons, joints, ligaments and other connective tissue that supports and binds tissues and organs together and form a body structure. The musculoskeletal system's primary functions include support the body, helps in movement, and protect vital organs. It is the main storage system for calcium and phosphorus and contains critical components of the hematopoietic system.

It connects bones to bones with muscle fibres through connective tissue such as tendons and ligaments, which provide stability to the body in which different bones are connected by joints. Cartilage prevents the bone ends from rubbing directly onto each other is very essential for bones. Muscles help in movement which contracts to move the bone attached at the joint.

Diseases and disorders may harmfully affect the functions. Due to the close relation of the musculoskeletal system to other internal systems, it is very difficult to diagnose these diseases. The musculoskeletal system having its muscles attached to an internal skeletal system which is essential for humans to move to a more favourable position.

Skeletal
The skeletal system assists many important functions, it provides the form and shapes for the body, support and protection to the body, allows movement, produces blood for the body, and stores essential minerals.

Humans are born with over 300 bone. Though, many bones fuse together during birth to maturity. Therefore, an average adult skeleton may have 206 bones. Long bones, short bones, flat bones, irregular bones, and sesamoid bones are the five types of bones classified into five types. The human skeleton is composed of both fused and individual bones supported by tendons, ligaments, muscles and cartilage. It is a complex structure with two divisions, the axial skeleton and the appendicular skeleton.

Muscular

Skeletal muscle, smooth muscle and cardiac muscle are three types of muscle tissue.

Skeletal muscle helps in movement of body, Smooth muscles are used to control the flow of substances within the lumens of hollow organs, and are not consciously controlled. Cardiac muscles are found in the heart helps to circulate blood or helps the heart to pump, these muscles are not under human self-control like the smooth muscles.

Tendons
A tendon is a flexible and tough fibrous connective tissue that connects muscles to bones. The connective tissue between muscle fibres binds to tendons at the distal and proximal ends, and the tendon binds to the periosteum of individual bones at the muscle's origin. As muscles contract, tendons transmit the forces to the relatively rigid bones, pulling on them and movement happens in result.

Joints, ligaments and bursae

Joints are structures that connect bones to bones used to move organs. There are three types of joints, diarthrosis which allows extensive mobility, amphiarthrosis which is a joint that allows some movement, and synarthroses joints that are immovable that allow little or no movement.

Synovial joints are those joints that are not directly joined which are lubricated by a solution called synovial fluid produced by the synovial membranes. Fluid’s function is to lowers the friction between the articular surfaces and is kept within an articular capsule and bind the joint with its taut tissue.

Ligaments

A ligament is a white, fibrous elastic tissue which connects the ends of bones together to form a joint. Most ligaments limit dislocation and prevent certain movements that may cause breaks if forcible movement or action happens against it.

Bursae

A bursa is a small fluid made up of white fibrous tissues filled sac lined with synovial membrane. It provides a cushion between tendons and bones around joint, Synovial fluid-filled bursae are found around almost every major joint of the body.