[Solved] Which statement about tissues is correct? A) Tissues are always in the form of sheets of cells. B) All the organs of an organ system are composed of a single tissue type. C) A tissue is composed of a single type of cell. D) An organ combines several different tissues. E) Tissues are microscopic, and invisible to the naked eye. Self-efficacy: null Imitation: null Self-belief: null Self-evaluation: null