Answer:
Cells > Tissues > Organs > Systems > Body
The structural organization of the human body is very easy i.e. the general and basic structure
CELLS form TISSUES form ORGANS form ORGAN SYSTEMS form HUMAN BODY
Examples:
CELL is any cell in the human body in any of the systems. For eg. Nerve cell (Neuron), Muscle cell etc.
TISSUE- Many similar type of cells combines to form a tissue. For eg. A muscle in the human body, a nerve of the nervous system etc.
ORGAN- Multiple tissues combine to form an organ. For eg. The heart, the stomach etc.
ORGAN SYSTEMS- Many organs combine to form the organ system. For eg. The digestive system, the nervous system etc.
HUMAN BODY- All the organ systems of the human body combine to form the body and help it function
1. Chemical - atoms combine to form molecule
2. Organelle - all cells of humans and other complex organisms contain structures
3. Cells - the smallest units of all living things
4. Tissues - consists of groups of similar cells that have a common function
5. Organ - a structure that is composed of two or more tissue types and performs a specific function for the body
6. Organ system - a group of organs that cooperate to accomplish a common purpose
7. Organism - represents the highest level of structural organization