Blood and blood-forming tissues are classified under which category?

Blood and blood-forming tissues are classified as connective tissue due to their function and origin in the body. Connective tissue is defined by its role in connecting, supporting, and anchoring different body structures. Blood serves as a vital fluid that transports nutrients, gases, waste products, and hormones, while also playing key roles in immunity and temperature regulation.

Hematopoietic tissue, responsible for the formation of blood cells, is also considered a type of connective tissue because it arises from mesenchyme during embryonic development and supports various body functions through the production and maintenance of blood cells. Unlike muscle tissue, which is involved in movement, epithelial tissue, which forms protective layers and linings, and nervous tissue, which transmits signals, blood and its contributing tissues fit squarely into the connective category due to their supportive and integrative roles in the body’s physiology.