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Heart Heart feeds the body

Written by
Dr. Pradip Chauhan

Everyone knows the heart but many have lots of wrong believes about it.

What is heart?

  • Heart is small muscular organ, which acts like a pump to send blood all over the body.
  • This blood feeds all organs in the form of energy (food) and oxygen.
  • Normal adult heart beats 72 times in a minute.
  • It pumps 5 liters blood in the blood vessels in a minute.
  • It weights 250-350 gms.
  • It is made up of muscles those work continuously without holiday.

Parts of the heart:

  • Human heart has four chambers. It is divided by one vertical septum in two parts first is right and second is left.
  • Right part has deoxygenates blood.
  • Left part has oxygenated blood.
  • Both parts are further divided in two parts called atria and ventricles.
  • Atria receive blood and ventricles pump the blood.
  • Heart is situated near the midline of the chest on left side.

Parts of Heart

Functions of the heart.

  • In humans, the function of the right side of the heart is to collect de-oxygenated blood, from the body (via superior and inferior vena cavae) and pump it, into the lungs so that carbon dioxide can be dropped off and oxygen picked up. The left side collects oxygenated blood from the lungs. From the left atrium the blood moves to the left ventricle which pumps it out to the body (via the aorta)..
  • Heart in such a manner supplies the blood to all organ and cells of the body.
  • It supplies oxygen to all cells through the blood.
  • It supplies required energy source through blood to all cells.
  • Remove deoxygenated blood from the organs.
  • Supply blood to the lung for purification of the blood.

Functions of Heart

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