Yes, that is correct. The structure of the human body is organized into successively larger and more complex structures, which can be observed at different levels, starting from the smallest building blocks and progressing to larger systems.
At the cellular level, the body is composed of trillions of cells, the basic units of life. These cells come together to form tissues, which are groups of similar cells that work together to perform specific functions. Examples of tissues include muscle tissue, nerve tissue, and epithelial tissue.
Tissues then combine to form organs, which are specialized structures that perform specific functions in the body. Examples of organs include the heart, lungs, liver, and brain. Organs work together in organized systems known as organ systems.
There are several organ systems in the human body, each with specific functions. These include the skeletal system, muscular system, circulatory system, respiratory system, nervous system, digestive system, endocrine system, reproductive system, and many others.
Finally, all the organ systems work together to create a complex organism, which is the whole human body. This hierarchical organization allows for the efficient functioning of the body’s various structures and systems, ensuring the overall health and survival of the individual.
I hope it helps.