The document summarizes the main tissue types found in the human body: epithelium, connective tissue, muscle tissue, and nervous tissue. It describes the characteristics and examples of each tissue type, including that epithelium lines and protects organs, connective tissue supports and protects, muscle tissue contracts, and nervous tissue conducts electrical signals. Specific tissue types like squamous, columnar, and stratified epithelium; areolar and adipose connective tissues; and skeletal, smooth, and cardiac muscle tissues are outlined.