Circulatory system

CIRCULATORY SYSTEMZerin ZiaudeenMBA – Hospital management

INTRODUCTION

•It is a network that carries blood through out the body

•All animals have some kind of circulatory system

•Supplies cells with food and oxygen

COMPONENTS OF CIRCULATORY SYSTEM

• Heart - 72 bpm - cardiac output ( Q = stroke volume X heart rate)• Blood - red blood cells - white blood cells - platelets - plasma • Blood vessels - arteries - veins - capillaries

COMPONENTS OF BLOOD

BLOOD VESSELS

HEART

POSITION OF HEART

BLOOD SUPPLY TO THE HEART

LAYERS OF HEART

STRUCTURE OF HEART

HOW THE HEART WORKS ?

1.Conduction system of heart 2. Pumping of blood

3.ECG waveform

TYPES OF CIRCULATION

FUNCTIONS OF CIRCULATORY SYSTEM

•Transport oxygen from lungs to cells around the body and carbondioxide from cells to lungs

•Transport nutrients like glucose•Transport waste from cells to organs that eliminate

them•Contains cell that fight infection and defend against

foreign bodies•Maintains ph level and ionic concentration of fluids in

the body•Helps to maintain body temperature

DISEASE CONDITION

•Disorders of the valve• Ischaemic heart disease - Angina pectoris ,

myocardial infarction •Cardiac arrhythmias – asystole, fibrillation, heart

block

QUESTIONS ??????