Circulation
The circulatory system, also called the cardiovascular
system or the vascular system, is an organ system that
permits blood to circulate and transport nutrients (such
as amino acids and electrolytes), oxygen, carbon
dioxide, hormones, and blood cells to and from the cells
in the body to provide nourishment and help in fighting
diseases, stabilize temperature and pH, and maintain
homeostasis.
,Body fluids
The body fluids include:
Blood
Lymph
, Blood Composition
Plasma -55%
[90-92% of it is
water]
Red Blood cells
[Erythrocytes]
Blood is
composed of: White Blood
cells
[Leucocytes]
Platelets
[Thrombocytes]