Answer:
Bone marrow can be called tissue because it is a complex and organized structure composed of multiple cell types and extracellular components that work together to perform specific functions.
Explanation:
Bone marrow is considered tissue because it possesses the characteristics of organization, specialized functions, cellular composition, and extracellular components that define tissues in the human body. It plays a vital role in blood cell production and is a structured and organized part of the body's anatomy.