ANATOMY

Detailed explanation-1: -Cell: Basic unit of structure and function of all living things. Tissue: Group of cells of the same kind. Organ: Structure composed of one or more types of tissues.

Detailed explanation-2: -And for some species, it ends with the cell. But for others, the cells come together to form tissues, tissues form organs, organs form organ systems, and organ systems combine to form an organism.

Detailed explanation-3: -A tissue is a group of many similar cells (though sometimes composed of a few related types) that work together to perform a specific function. An organ is an anatomically distinct structure of the body composed of two or more tissue types. Each organ performs one or more specific physiological functions.

Detailed explanation-4: -Organs are structures made up of two or more tissues organized to carry out a particular function, and groups of organs with related functions make up the different organ systems.