ANATOMY

Detailed explanation-1: -Answer and Explanation: The following sequence correctly lists levels of organization from simple to more complex: d) cell, tissue, organ, organ system. The cell is the basic building block of every living thing. In most multicellular organisms, cells have the ability to specialize.

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.

Detailed explanation-3: -∙ So, the correct order is: Cell → Tissue → Organ → Organ system → Organism.

Detailed explanation-4: -Life processes of the human body are maintained at several levels of structural organization. These include the chemical, cellular, tissue, organ, organ system, and the organism level.