American Academy of Professional Coders (AAPC) Practice Exam 2026 - Free AAPC Practice Questions and Exam Prep Guide

Adipose tissue is the primary type of connective tissue responsible for insulating the body. It functions by storing fat and providing a layer of insulation beneath the skin, which helps to regulate body temperature. This specialized connective tissue is composed of adipocytes (fat cells) that not only store energy but also provide cushioning and protection for underlying organs. The presence of adipose tissue plays a critical role in maintaining homeostasis by preventing the loss of body heat, especially in colder environments.

While loose connective tissue does provide some functions related to support and flexibility, it does not specifically serve the purpose of insulation. Dense connective tissue is more associated with providing strength and support through structures like tendons and ligaments, and cartilage serves primarily as a cushion and support for joints rather than insulation. Thus, adipose tissue's unique properties make it essential for thermal regulation in the body.