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Body and Self > Anatomy & Physiology > Musculoskeletal System

The “locomotor” system composed of our skeletal system and the skeletal muscles

The skeletal system consists of all the bones in the body, including the cartilage, and the ligaments. There are about 208 bones in the adult body, and they are joined by the ligaments. It is because of these joints that the body is able to move and is less liable to total injury. Besides that, the skeletal system performs a number of functions:

  • Provides a framework for the body
  • Provides levers for the muscles to move
  • Provides protection for the delicate organs of the body, such as the brain and the lungs
  • Contains the marrow which manufactures the blood cells
  • Stores calcium and phosphorus minerals
  • Provides pH balance by buffering blood against excessive acid-base changes

The muscular system consists of all muscles of the body. There are more than 500 main muscles, as well as thousands more that can only be seen under a microscope. The muscles consist of a fleshy tissue which has the ability to contract and expand. It is responsible for all physical movement and motion. The act of breathing, the beating of the heart, as well as every other function of our physical organs, is due to muscle action. Indeed, half of our body is made of muscles, including all our vital organs.

There are two types of muscles – Voluntary and Involuntary:

Voluntary muscles are those which are under the control of our will – such as those of the face and the limbs.

Involuntary muscles are those which control the working of the inner body- without us thinking about it, such as heart, lungs, blood circulation, and digestion. However, those who practice Yoga, gradually acquire some degree of control, even of the normally involuntary processes.




 

Anatomy
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Musculoskeletal System
Our skeleton
 The femur
 The nervous system
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