Heart

The heart is one of the organs of the human body is very important, composed of heart muscle that works outside of our consciousness. Serves as the heart pumps blood throughout the body that has the location and the parts as follows.

a. The heart is located in the chest cavity rather slightly to the left and wrapped in a protective bag called the pericardium.

b. Heart magnitude of approximately fist.

c. The heart consists of four rooms, two rooms above (porch) and two lower rooms (chambers).

d. The room on the left is called the left atrium (left atrium) and the right is called the right atrium (right atrium).

e. The room under the right side of the heart called the right chamber (right ventricle) and the left is called the left ventricle (LV).

f. In the heart there is a gap between the door and the porch which is called heart valve chamber. Heart valve serves as insulation so that the blood from the chamber and from the porch do not mix.

g. The room above (porch) receives blood returning to the heart from a large vein.

h. Right chamber serves to pump blood to the lungs, whereas the left ventricle pumps blood throughout the body other than the lungs.

i. Small circulation is blood circulation from the heart to the lungs back to the heart.