Which type of connective tissue stores energy and provides insulation?

Adipose tissue is a specialized form of connective tissue that primarily functions to store energy in the form of fat. Its structure consists of adipocytes, or fat cells, which are designed to accumulate lipid droplets. This tissue not only serves as a crucial energy reserve but also plays a vital role in the body's thermal regulation by providing insulation. The layer of adipose tissue under the skin helps to keep the body warm by reducing heat loss.

In addition, adipose tissue has a cushioning effect around organs, protecting them from mechanical shocks and injuries. Its ability to store energy makes it essential for maintaining energy balance in the body, especially during periods of fasting or energy deficit.

The other types of connective tissues mentioned serve different purposes—elastic connective tissue provides elasticity to structures such as ligaments and arteries, fibrous connective tissue forms tendons and ligaments with strength and resilience, and reticular connective tissue supports the framework of organs like the liver and spleen. While they all serve important functions, they do not have the specific roles of energy storage and insulation that characterize adipose tissue.