 Group of cells that are similar in structure and function  Four Primary Types  Epithelium - covering  Connective Tissue - support  Nervous Tissue - control  Muscle - movement

 Lining, covering, and glandular tissue of the body  Main functions include protection, absorption, filtration, and secretion

 Fit closely together to form continuous sheets  Have a free (unattached) surface – apical surface  Lower surface rests on the basement membrane  Have no blood supply of their own (known as avascular) and depend on diffusion from the capillaries for food and oxygen  If well nourished, they can regenerate themselves easily

 Classification use the combination of the following terms (except glandular):  Simple – one layered (absorption, secretion, and filtration)  Stratified – more than one layer (protection)  Squamous – flattened  Cuboidal – cube shaped  Columnar – column shaped  (Stratified are named for the cells at the free surface)

 Connects body parts  Involved in protecting, supporting, and binding together other body parts  Common Characteristics:  Vary in blood supply – types with low blood supply take a long time to repair itself  Extracellular matrix – made up of many different types of cells plus nonliving substances

 Highly specialized to contract (shorten) to provide movement  Two major functions are irritability and conductivity

 Day 1 – Aging Paper  Day 2 – Book Work  Page 105: 17, 19, 21, 23, 25, 27 (17-27, odd)