MICROANATOMY

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 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.

Detailed explanation-3: -Hemopoiesis. Hemopoiesis is the continual production of new blood cells. There are two kinds of hemopoietic tissue: (1) myeloid tissue or bone marrow where RBCs, granular WBCs, platelets, monocytes are produced and (2) lymphatic tissue-thymus, spleen, lymph nodes, where lymphocytes are made.