THE TISSUE LEVEL OF ORGANIZATION   TISSUE — a group of similar cells performing a common function 4 MAJOR TYPES : 1. EPITHELIAL TISSUES — tissues which cover or line the body’s internal/internal surfaces 2. CONNECTIVE TISSUES — support, protect, bind together the other tissue types 3. MUSCLE TISSUE — consists of specialized cells (muscle fibers) capable of shortening in length (contraction) and thus producing movement. 4. NERVOUS TISSUE — consists of specialized cells (neurons) capable of generating and transmitting electrochemical signals (impulses) and thus coordinating the functions of the other tissue types.

Nerve

Skeletal Muscle

Smooth Muscle

Cardiac Muscle

Simple Columnar

Simple Cuboidal

Simple Squamous

Stratified Squamous

Stratified Cuboidal

Stratified Columnar

Ciliated Pseudostratified Columnar and Hyaline cartilage

Transitional

Adipose

Dense Fibrouse

Elastic

Reticular

Areolar (adult)

Hyaline

Elastic Cartilage

Fibrocartilage

Bone