What Is Tissue To Organ? Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ
Is Tissue A Biological System? Examples of biological systems at the macro scale are populations of organisms. … On the organ and tissue scale in mammals and other animals, examples include the circulatory system, the respiratory system, and the nervous system. What are the 11 biological systems? The 11 organ systems include the integumentary system,