This document summarizes the four primary types of tissues in the human body: epithelium, connective tissue, nervous tissue, and muscle tissue. It describes the general characteristics and functions of each tissue type. It also provides detailed descriptions of the different cells and layers that make up epithelial tissues and connective tissues, including bone, cartilage, dense connective tissue, loose connective tissue, and blood. The three types of muscle tissue - skeletal, cardiac, and smooth muscle - are also defined.

1. Chapter 3 Body Tissues