BIOL 101 1st Edition Lecture 25 Outline of Last Lecture I Formation of Reproductive Barriers II Gene Flow III Species Concept IV Allopatric Speciation Outline of Current Lecture I Animal Tissues II Major Vertebrate Systems III Tissues Work Together a Types of Tissues Current Lecture Class Discussion Animal Tissues I Major vertebrate systems 1 Digestive breaks down food absorbs nutrients eliminates food waste 2 respiratory delivers oxygen to and removes carbon dioxide from all tissues 3 circulatory exchange of gas waste nutrients stabilizes pH and temperature 4 reproductive gamete production 5 urinary waste disposal and water balance 6 nervous coordinate body activities 7 muscular skeletal muscles only 8 lymphatic collects and returns fluid lost from blood 9 endocrine hormones 10 skeletal support and protection cartilage and bone 11 integumentary skin protects body from dehydration injury some pathogens controls temp excretion of certain wastes receives some stimuli II Tissues are communities of cells and intercellular substances that are interacting to carry out one or more tasks 1 Epithealial Tissue sheets that cover the body or line the inside of organs cavities a Simple squamous thin and leaky cells Involved in the exchange of materials b Simple cuboidal single layer of cube shaped cells that function in secretion and absorption c Simple columnar secretion and absorption small intestine These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute d Stratified squamous multiple layers of flat scale like cells that provide protection against abrasion 2 Connective Tissue Binds and supports other tissue Consists of cells scattered throughout extracellular matrix a Loose connective tissue loose fibers matrix sparse population of cells b fibrous connective tissue densely packed with collagen fibers attaches muscles to bone and forms tendons c adipose tissue fat containing cells in sparse ground substance but surrounded by many fibers d Cartilage cells are imprisoned in a matrix with no blood vessel supply Offers support and resist compression e bone cells suspended in a mineralized matrix Offers sturdy support and movement i Blood transports substances throughout the body 3 Muscle Tissue Complete the chart below Structure Function Skeletal Unbranched Voluntary Cardiac Branched Involuntary Smooth Spindle shaped Involuntary Where Attached to bone Heart Internal organs
View Full Document
Unlocking...