SUBMITTED BY:PRATHIBHA

MURALI SROLL NO: 28NATURAL

SCIENCEK U C T E

KULAKKADA

THE HEART

• THE HEART IS A MUSCULAR ORGAN IN HUMANS AND MANY OTHER ANIMALS.

• HEART PUMPS BLOOD THROUGH THE BLOOD VESSELS OF THE CIRCULATORY SYSTEM.

• THE CIRCULATORY SYSTEM PLAYS THE MOST IMPORTANT ROLE IN THE TRANSPORT OF MATERIALS THROUGH OUT THE BODY

LOCATION OF HEART

Behind the sternum, in the thoracic cavity, in

Between the lungs

Size : 12cm Long, 9cm Broad

300gm Weighs

Colour : Reddish Brown

Tilted slightly towards left

• Heart is covered by a double walled membrane called pericardium• The pericardial fluid that’s

fills the space between the membrane• It protect the heart from

external shock and injury

• THE HUMAN HEART HAS FOUR CHAMBERS.

• THE UPPER TWO CHAMBERS ARE CALLED “ATRIUM”.

• THE LOWER TWO ARE CALLED “VENTRICLES”.

•RIGHT SIDE OF THE HEART CONTAINS DEOXYGENATED BLOOD

• LEFT SIDE OF THE HEART CONTAINS OXYGENATED BLOOD

HEART HEALTH

• OBESITY, HIGH BLOOD PRESSURE, AND HIGH CHOLESTEROL CAN INCREASE THE RISK OF DEVELOPING HEART DISEASE

• HALF THE NUMBER OF HEART ATTACKS OCCUR IN PEOPLE WITH NORMAL CHOLESTEROL LEVELS.

• FACTORS SUCH AS EXERCISE OR THE LACK OF IT, GOOD OR POOR DIET, AND OVERALL WELL-BEING, AFFECT HEART HEALTH.