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

Blood vascular system of man or circulatory system of man:

• The blood vascular system of man is the closed  type and consists of three parts like heart, blood vessels and blood 

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 

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Human Heart

• The external structure of the heart 
• The internal structure of the human heart
• Working of Human Heart
• The Blood Circulation in Heart

Blood Pressure

• The Blood Pressure | Pulse Pressure
• Hypertension | Hypotension | Cardiac output
• The Magic of Heart Sounds

Blood Vessels

• Classification of Blood Vessels

Human Blood

• Classification of Human Blood

Short notes on Heart Function

• Heart Function