MEDICAL PHYSIOLOGY

Detailed explanation-1: -Blood is one of the connective tissues. As a connective tissue, it consists of cells and cell fragments (formed elements) suspended in an intercellular matrix (plasma). Blood is the only liquid tissue in the body that measures about 5 liters in the adult human and accounts for 8 percent of the body weight.

Detailed explanation-2: -Blood is traditionally classified as a specialized form of connective tissue. To appreciate the basic unity of blood and other varieties of connective tissue, consider the following. All of the several blood cell types originate in the connective tissue of bone marrow.

Detailed explanation-3: -Blood is considered a connective tissue because it has a matrix. The cellular components of blood are red blood cells, also called erythrocytes, white blood cells also called leukocytes and platelets. The fluid portion of whole blood, its matrix, is commonly called plasma.