Cells of the body are organized into four fundamental tissues; epithelial‚ connective‚ muscle and nerve. Epithelial tissues line all surfaces of the body: the skin‚ cavities‚ ducts‚ vessels. They are named according to the cell shape on the free surface. Cells of a tissue are held together by the basement membrane and intercellular fibbers. These tissues receive their nutrition by diffusion‚ for they are without blood vessels. Simple squamous epithelium lines all blood and lymphatic vessel‚ including
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ANIMAL TISSUES 1. Classify the animal tissues. On the basis of the function they perform‚ animal tissues are classified into four different types. They are: i) Epithelial tissue ii) Connective tissue iii) Muscular tissue iv) Nervous tissue 2. What are epithelial tissues? What are the characteristic features of these tissues? The covering or protective tissues in the animal body are called epithelial tissues. They also perform the functions of secretion and absorption
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My objective is to plan and conduct an experiment from which I should be able to draw a firm conclusion that will either prove or disprove any predictions I make. This essay aims to assess and investigate the effect of various solution concentrations on the activity of osmosis in plant tissue. Background scientific theory: Plants exchange gases (CO2 and O2) in maintaining vital respiratory processes and in carrying out photosynthesis; they absorb certain minerals and sugars so to use as a source
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Chapter 6 Ossecous Tissue and Skeletal Structure The Skeletal system consists of bones and their associated connective tissues‚ including cartilage‚ tendon and ligaments. I. Function of the Skeletal System 1) Bone- The most rigid component of skeletal system a) Support- serves as a framework; Maintains body’s shape b) Protection- of critical internal organs‚ brain‚ heart and lungs c) Lever System- for muscles to produce body movements d) Mineral storage- e.g. Calcium and
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PLASMA MEMBRANE SELECTIVE PERMEABILITY= allowing some substance to cross it more easily than others composed of: Phospholipids Proteins Carbohydrates Cholesterol FLUID MOSAIC MODEL Phospholipids are primary lipids(constantly moving‚ fluidly) AMPHIPATHIC-containing hydrophobic and hydrophilic regions Mosaic part=not made of one thing Freeze-fracture studies:way to view what’s inside FLUIDITY OF MEMBRANE Move within bilayer Most of lipids and some proteins‚ drift laterally
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The Effect of Electronic Word of Mouth and Online Review Characteristics on a Hotel Choice Neema Gurung Southeast Missouri State University Abstract Word of mouth whether it is traditional or online is always found to have influential effect on the purchasing decision making of the consumers. It is especially seen to be more significant in the hospitality and tourism products and services since it contains more
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1 The Effect of Molecular Weight on the Rate of Diffusion of Substances1 Alexander Ken Libranza Group 1 Sec. A – 1L March 6‚ 2012 A scientific paper submitted in partial fulfillment of the requirements in General Biology I laboratory under Prof. Cheryl M. Talde‚ 2nd sem.‚ 2011-2012. 1 2 ABSTRACT The effect of molecular weight on the rate of diffusion was assessed using two tests: the glass tube test and the agar-water gel test. In the glass tube set-up‚ two cotton plugs soaked
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CHAPTER 1 INTRODUCTION 1.1 INTRODUCTION OF THE STUDY The aim of marketing is to meet and satisfy target customers needs and wants. Understanding the consumer behavior and consumers is never simple. Consumers may say one thing but do another. They may not be in touch with their deeper motivations. They may respond to influences that change their minds at the last minute. Studying customers provides clues for developing r new products‚ product features‚ prices‚ channels‚ messages and
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Muscle Tissue 1. How is muscle tissue categorized? Muscle tissue is categorized by its shape‚ the number of nuclei‚ and the mechanism of stimulation. 2. a. Click the Smooth Muscle Tissue. Identify each of the following: Nucleus----- Smooth Fiber Muscle------------------ b. Describe smooth muscle control (voluntary or involuntary). Involuntary c. Name some smooth muscle functions (click the “Tissue Locations” button). Smooth
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layers upon a basal membrane. Although this epithelium is referred to as squamous‚ many cells within the layers may not be flattened; this is due to the convention of naming epithelia according to the cell type at the surface. In the deeper layers‚ the cells may be columnar or cuboidal. This type of epithelium is well suited to areas in the body subject to constant abrasion‚ as it is the thickest and layers can be sequentially sloughed off and replaced before the basement membrane is exposed. It allows
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