1. The Digestive System Histology 2. Introduction • The digestive system consists of a muscular digestive (tube) tract and accessory organs - digestive tract: oral cavity…

Fig. 27-15 Biofilms – metabolic cooperation 1 µm Rhizobium (arrows) inside a Root cell of a legume (TEM) Rhizobia and nitrogen fixation Copyright © 2008 Pearson Education,…

Integumentary System Biology II “The finest clothing made is a person's own skin, but, of course, society demands something more than this.” Mark Twain Case Study…