The human body is a complex machine made up of many parts. During development, these building blocks are put together in many different ways to build the anatomical elements of the body.
Anatomy always relates to physiology or more concisely, structure relates to function.
Remember this as you learn about these tissue types. The differences between tissues and how they might appear under the microscope always relates to the particular functions they provide. In some locales, absorption and secretion are important functions of these lining and covering cells. As secretory cells, epithelia form most glandular structures of the body. Connective Serve as connective and supportive tissues that bind and hold body structures together.