HUMAN HEART ITS SHAPE,SIZE,WALLS AND CHAMBERS:
1-THE HEART FUNCTION AS A PUMP AND IS RESPONSIBLE FOR THE CIRCULATION OF BLOOD THROUGH THE BLOOD VESSELS
2-THE GREEK NAME FOR THE HEART IS CARDIA FROM WHICH WE HAVE ADJECTIVE CARDIAC
SHAPE OF THE HEART:
THE ADULT HEART HAS THE SHAPE OF CONE. THE BLUNT,ROUNDED POINT OF THE CONE IS THE APEX AND THE LARGER FLAT PART AT THE APPOSITE END OF THE CONE IS BASE
SIZE OF HEART:
SIZE OF HUMAN HEART IS EQUAL TO TIGHT FIST
WEIGHT OF HEART:
IN FEMALES WEIGHT OF HEART IS 230-280gm
IN MALES WEIGHT IS 280-300gm
LOCATION:
THE HEART IS LOCATED IN THE THORACIC CAVITY BETWEEN THE LUNGS. THE HEART LIES DEEPLY,OBLIQUELY AND SLIGHTLY TO THE LEFT OF THE STERNUM(STERNUM OR BREASTBONE IS A LONG FLAT BONE LOCATED IN THE CENTERAL PART OF CHEST)
THE HAERT WALL:
THE HEART WALL COMPOSED OF THREE LAYERS OF TISSUE
1-EPICARDIYM
2-MYOCARDIUM
3-ENDOCARDIUM
CHAMBERS OF HEART:
THE HEART CONSIST OF FOUR CHAMBER
1-RIGHR ATRIUM
2-LEFT ATRIUM
3-RIGHT VENTRICLE
4-LEFT VENTRICLE
THE ATRIA LIE ABOVE THE VENTRICLE
THE RIGHT ATRIUM RECEIVES THE BLOOD FROM SUPERIOR AND INFERIOR VENA CAVA, AND THE CORONARY SINUS. THE LEFT ATRIUM RECEIVES THE FOUR PULMONARY VEIN. THE TWO ATRIA ARE SEPARATED FROM EACH OTHER BY INERATRIAL SEPTUM. THE RIGHT VENTRICLE
OPENS INTO THE PULMONARY TRUNK AND THE LEFT VENTRICLE OPEN INTO THE AORTA
1-THE HEART FUNCTION AS A PUMP AND IS RESPONSIBLE FOR THE CIRCULATION OF BLOOD THROUGH THE BLOOD VESSELS
2-THE GREEK NAME FOR THE HEART IS CARDIA FROM WHICH WE HAVE ADJECTIVE CARDIAC
SHAPE OF THE HEART:
THE ADULT HEART HAS THE SHAPE OF CONE. THE BLUNT,ROUNDED POINT OF THE CONE IS THE APEX AND THE LARGER FLAT PART AT THE APPOSITE END OF THE CONE IS BASE
SIZE OF HEART:
SIZE OF HUMAN HEART IS EQUAL TO TIGHT FIST
IN FEMALES WEIGHT OF HEART IS 230-280gm
IN MALES WEIGHT IS 280-300gm
LOCATION:
THE HEART IS LOCATED IN THE THORACIC CAVITY BETWEEN THE LUNGS. THE HEART LIES DEEPLY,OBLIQUELY AND SLIGHTLY TO THE LEFT OF THE STERNUM(STERNUM OR BREASTBONE IS A LONG FLAT BONE LOCATED IN THE CENTERAL PART OF CHEST)
THE HEART WALL COMPOSED OF THREE LAYERS OF TISSUE
1-EPICARDIYM
2-MYOCARDIUM
3-ENDOCARDIUM
CHAMBERS OF HEART:
THE HEART CONSIST OF FOUR CHAMBER
1-RIGHR ATRIUM
2-LEFT ATRIUM
3-RIGHT VENTRICLE
4-LEFT VENTRICLE
THE ATRIA LIE ABOVE THE VENTRICLE
THE RIGHT ATRIUM RECEIVES THE BLOOD FROM SUPERIOR AND INFERIOR VENA CAVA, AND THE CORONARY SINUS. THE LEFT ATRIUM RECEIVES THE FOUR PULMONARY VEIN. THE TWO ATRIA ARE SEPARATED FROM EACH OTHER BY INERATRIAL SEPTUM. THE RIGHT VENTRICLE
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