INTRODUCTION TO BODY
FLUIDS AND CIRCULATION
,1. INTRODUCTION-
CIRCULATORY SYSTEM
The Circulatory system is
transport system of body
It comprises blood, heart
and blood vessels.
The system supplies
nutrients to and remove
waste products from
various tissue of body.
The conveying media is
liquid in form of blood
which flows in close
tubular system.
,CIRCULATORY SYSTEM-
FUNCTIONAL COMPONENTS
Circulatory
System-
Functional
Components
Blood Vascular Lymph Vascular
System System
, BLOOD VASCULAR SYSTEM
Constitutes:
Circuit of Vessels
The arterial system
The venous system
The Blood Vascular system is of two types:
Open circulatory system is present in arthropods
and molluscs in which blood pumped by the
heart passes through large vessels into open
spaces or body cavities called sinuses.
Annelids and chordates have a closed circulatory
system in which the blood pumped by the heart
is always circulated through a closed network of
blood vessels.