Exercise 1.2 Answers - Human Physiology Answers to Exercise...

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Human Physiology Answers to Exercise 1.2 Pages 23-24 1. A tissue is an aggregation of similar cells that work together to perform a specialized activity 2. An organ is a group of 2 or more tissues that occur and function together. 3. a) Simple Squamous- composed of single layer flattened epithelial cells. Examples are the endothelium of blood vessels, alveoli ( lung) b) Stratified Squamous- composed of a number of cell layers with squamous cells at the top layer; Examples are epidermis of the skin, lining of oral, nasal, vaginal, and anal cavity c) Columnar – composed of a single layer of epithelial cells in which each cell is taller than it is wide ( like bricks on end); Examples are digestive tract lining, uterine tube lining d) Pseudostratified- composed of a one-cell layer but appears stratified because the nuclei of adjacent cells are located at different levels; Example is lining of respiratory passages 4. Connective tissues are characterized by the fact that cells are not close together,
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This note was uploaded on 12/22/2010 for the course BIOL 175L taught by Professor Wahba during the Spring '10 term at Coastline Community College.

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Exercise 1.2 Answers - Human Physiology Answers to Exercise...

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