5. To pump and supply arterial blood (nutrient and O2) to all part of the body by arteries and turn venous blood (CO2 and H2O) back by veins.
FUNCTION OF HEART
6.
7. Heart cycle:
Semilunar valves are closed
AV valves are opened
Semilunar valves are opened
AV valves are closed
Systole
Diastole
Output
Input
9. ABNORMAL RHYTM OF HEART
Bradycardia
symptoms: heart frequency less than 60 times/min.
Cause: always find in Athlets bcz of increasing ejection rate and syndrome carotid.
9
11. HYPERTENSION
Hypertension we can say that high blood pressure.
Caused by consuming high sodium intake, raising blood pressure, obesity persons also is a risk factor for hypertension.
12. VENTRICULAR FIBRILLATION
is a disease that when the myocardium filed to contract as a whole and blood was no longer pumped.
Caused: obstructed coronary artery, toxic drugs exposure, electric shock, or traumatic injury to the heart or chest wall.
13. ANEURISM
Aneurism is pulsating sac. Its sac develops by a longitudinal splitting of the middle layer of the arterial wall.
Cause: Its happened because of rupture and produce a great lots of blood and also by trauma and high blood pressure