The Properties of Body Circulation - Ishwaranand

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The Properties of Body Circulation

Properties of Body Circulation

  • The flow of an extracellular fluid like blood and lymph is called circulation
  • The  organ concerned with or involved in circulation forms the circulatory system
  • In animals, every cell needs a constant supply of nutrients oxygen for carrying out various life activities.
  • At the same time, there must be a removal of nitrogenous wastes and carbon dioxide. 
  • All this is done in the body of living animals by the circulatory system. 
  • The circulation was first studied by Willam  Harvey

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Blood vascular system of man or circulatory system of man:

Heart 

  • The human heart is present in the thoracic cavity between the two lungs behind the sternum. It is slightly  inclined towards left
  • It is roughly conical in shape, broader at the base and narrows towards the apex. It is about 12-14cms. In length and 9cms. in breadth.
  • The weight of the human heart in the male is about 300-350gms. And in females, it is about 275gms 

Blood Pressure

Blood Vessels

Human Blood

Short notes on Heart Function