Why is human blood classified as connective tissue?

An aggregate of similar cells and cell products forming a definite kind of structural material with a specific function, in a multicellular organism. Blood contains 2 parts the corpuscles and the plasma. read more

Blood is considered a connective tissue for two basic reasons: (1) embryologically, it has the same origin (mesodermal) as do the other connective tissue types and (2) blood connects the body systems together bringing the needed oxygen, nutrients, hormones and other signaling molecules, and removing the wastes. read more

Human body is composed of just four basic kinds of tissue: nervous, muscular, epithelial, and connective tissue. Connective tissue is the most abundant, widely distributed, and varied type. It includes fibrous tissues, fat, cartilage, bone, bone marrow, and blood. read more