Bio 168 Tissues Exam Questions and Answers 100% Pass

Bio 168 Tissues Exam Questions and Answers 100% Pass a group of specialized cells and extracellular material around them. - Tissues microscopic study of tissues - Histology Lacks blood vessels (materials must move by diffusion from underlying Connective Tissue) Covers body surface and forms glands Very little extracellular matrix Has distinct tissue surfaces (Free (apical), nasal, lateral Cells connect to surrounding cells and extracellular matrix High regeneration capacity - Epithelial tissue characteristics Connects basal later to underlying tissues. Consists of two layers 2100% Pass Guarantee Emilly Charlotte, All Rights Reserved © 2025 Made of specialized extracellular material secreted by the epithelial cells (Collagen, Glycoproteins, proteoglycans) Supports and guides cells migration during tissue repair Porous to allow movement of materials to and from the epithelial cells above. - basement membrane protection, barrier, secretion, passage of substances, absorption - Epithelial Tissue Functions Squamous: flat, scare like Cuboidal: equal in height and width Columnar: taller than wide - Classification of Epithelia Cells single layer of flat cells Functions: Diffusion/filtration Location: air sacs in lungs, lining of heart, blood and lymphatic vessels - Simple squamous single layer of cube shaped cells 3100% Pass Guarantee Emilly Charlotte, All Rights Reserved © 2025 Function: secretion/absorption Location: Ducts and secretory portions of small glands, kidney tubules. - simple cuboidal Single layer of tall cells Function: ciliated- moves particles, Smooth- absorbs and secretes mucous and enzymes. Location: Bronchi, uterine tubes, uterus, digestive tract. - simple columnar Like columnar but irregular shaped. Function: secretes and moves mucous (with cilia) Location: Trachea, upper respiratory tract - psudostratifie