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

The Properties of Body Circulation, human heart, heart,  internal heart, external heart, working of heart,

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