Question

multiple choice question
what is an anatomical structure that is composed of at least two different tissue types, has recognizable structural boundaries, and has a discrete function different from the structures around it called?
organ
organism
tissue
cell

Explanation:

An organ is made up of at least two different tissue - types, has distinct structural boundaries, and a unique function compared to surrounding structures. An organism is a living being as a whole. Tissue is a group of similar cells. A cell is the basic unit of life.

Answer:

Organ