Introduction: Human skeleton System – Curiosityn


Sabbir8986 / March 15, 2021

Introduction: human skeleton system

Introduction of the human skeleton:

For the construction of a house in the first instance, framing work is essential. The skeleton is the framework of our body. The human skeleton is made up of a combination of 206 long, small, flat, and uneven bones. It gives the defined shape to the body and protects the internal organs, such as: heart, lungs, stomach, intestine, brain, etc. Without a strong bone structure, a fixed shape is not possible. All the bones and other associated parts together make up the skeleton which is made up of bone and cartilage. Bone joints are connected to different parts of the skeleton and help with movement. The bones remain attached to the voluntary muscles which help in the movement of different organs. The skeletal system is made up of bones, cartilage, ligaments, tendons, bony joints, and muscles.

Division of the human skelton

The human skeleton is divided into parts, like-

  • Exoskeleton;
  • Endoskeleton.

(1) Exoskeleton:

Parts of the skeleton exist outside the body for example it includes nails, hair, etc.

(2) Endoskeleton:

Human skeleton means endoskeleton which cannot be seen from the outside. The endoskeleton mainly made up of cartilages and bones.

Role of the skeleton in firmness and locomotion:

Functions of the human skeleton

The skeleton performs the following functions such as:

(a) Body structure and firmness– The skeleton forms the hard structure of the body and gives a defined shape to the body. It connects the lower organs with the higher organs.

(b) protection – The skull protects the brain, the spinal cord in the spine or spine, the lungs and the heart in the thorax. The muscles remain attached with the skeleton and the skeletal muscles involved in carrying the weight of the body.

(vs) Movement and locomotion: The hands, legs, shoulder or chest girdle, and pelvic or hip girdle facilitate movement. The muscular system has an important role in this act. Through the attachment of muscles to bones, we can move bones and we can move.

(re) Production of red blood cells– The bone marrow produces red blood cells.

(e) Storage of mineral salts – Bones store mineral salts (calcium, potassium, phosphorus). This is why the bones remain hard and strong.

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