Importantance of Skeletal and Muscular System for Humans

The skeletal and muscular system is an important system of human body as it allows locomotion. Probably 40% of the body weight is muscles and there are over 630 muscles that help to move.

Tujunga, CA (prHWY.com) September 30, 2011 - The skeletal and muscular systemis an important system of human body as it allows locomotion. Probably 40% of the body weight is muscles and there are over 630 muscles that help to move. The skeleton and muscular system collectively called musculoskeletal system. These are often considered as two separate systems but their working is correlated with each other so function as one. The musculoskeletal system plays an important role as it allows humans to move to more favorable external conditions.
Certain bone cells produce immune cells as well as important cellular components of the blood. The skeleton system performs many functions in the human body like
* Support: Skeleton is like a framework of the body, offer support to softer tissues and provides attachment points for most skeletal muscles.
* Protection: Mechanical protection is also provided by the skeleton for the internal parts of the body that minimizes the risk of injury to organs.
* Assisting movements: The skeletal muscles are attached to bones so that when associated muscles contract, they cause bones to move.
* Mineral storage: Minerals are stored by bone tissues like calcium and phosphorus etc. whenever these minerals are required by body, bone releases them into the blood.
The skeleton system is of two types one is axial skeleton and the other is appendicular skeleton.
* Axial skeleton system consists of bones that form the axis of the body and offer support for organs like head, neck and trunk. It is buildup of skull, sternum, vertebral columns and ribs.
* Appendicular skeleton system is composed of bones that anchor the appendages to the axial skeleton. This skeleton consists of upper and lower extremities, shoulder and pelvic girdle.
Arthritis, gout, osteomyelitis, sprain, fracture etc. are the disorders of skeletal system:

On the other hand, muscular system is an anatomical system that allows it to move. The muscular system in humans is controlled by nervous system although, some muscles can be autonomous such as cardiac muscles.
Muscular system can be divided into three types of muscles skeletal muscles, cardiac muscles and smooth muscles. Muscles play extremely important part for the body as they provide posture, balance, strength, locomotion and heat for the body.
* Skeletal muscles are controlled by somatic nervous system. These are also called voluntary muscles. Skeletal muscles are attached to bones by bundles called collagen fibers, known as tendons.
* Cardiac muscles are heart muscles,muscle fibers in them are connected to each other. These muscles are controlled by autonomic nervous system and sinus mode.
* Smooth muscles are controlled by autonomic nervous system thus involuntary, perform functions like heart beat and lungs.
Skeletal and muscular systems animations are extremely important and crucial part of the body as performs very basic and highly important functions for the body. Muscle cell use chemical energy from the eaten food. We have over 30 facial muscles that help to make expressions like, happiness, sadness, frowning etc.

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