Blood Cells: Vital Components of the Circulatory System
Blood cells are essential elements of the human circulatory system, responsible for transporting oxygen, defending the body against infections, and supporting overall health. These microscopic cells flow through our veins and arteries, working continuously to maintain vital bodily functions. Blood is composed of plasma (the liquid portion) and formed elements , which include red blood cells, white blood cells, and platelets. Types of Blood Cells There are three main types of blood cells, each wi
