PATHOLOGY

Detailed explanation-1: -So, the correct order is: Cells-Tissues-Organs-Organ systems-Organism.

Detailed explanation-2: -The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism. See below Figure 1.1. 1 .

Detailed explanation-3: -These include the chemical, cellular, tissue, organ, organ system, and the organism level. Higher levels of organization are built from lower levels.

Detailed explanation-4: -An organism is made up of four levels of organization: cells, tissues, organs, and organ systems. These levels reduce complex anatomical structures into groups; this organization makes the components easier to understand.