Classification of Tissues Introduction Cells are the smallest units of life. In complex organisms‚ cells group together with one another based on similar structure and function to form tissues .Tissues provide the numerous functions of organs necessary to maintain biological life. This lab exercise seeks to introduce the various tissues found in the human body and to familiarize you with their composition and function. The study of tissues is called histology ‚ and is important to the understanding
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Connective Tissue Characteristics of connective tissues • Extracellular matrix separates cells • Most widely variable of tissues • Many varied functions • Common (mesenchyme) origin • Degrees of vascularity Functions • Binding • Suport • Protection • Insulation • Transport Structural Elements • Fibers ⁃ Collagen (white) fibres ⁃ Elastin (yellow) fibers ⁃ Reticular fibers • Ground substance ⁃ Amorphous material fills space between cells and contains fibers
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Epithelial Tissue covers body surfaces (epi‚ on + thelium‚ surface). Epithelial tissue consists of cells attached to one another to form an uninterrupted layer of cells that separates the underlying tissues from the outside world. The body’s epithelium not only covers its obvious surfaces (such as the epidermis of the skin and the linings of respiratory‚ urinary‚ and digestive tracts) but also extends into all of the complex invaginations which form lungs‚ kidneys‚ sweat glands‚ digestive glands
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The lungs are made up of many types of tissue; the cartilages‚ ciliated epithelium‚ smooth muscle‚ squamous epithelium‚ elastic fibres and goblet cells and glandular tissue. The cartilage is a very stiff and flexible tissue‚ which doesn’t contain air vessels. It is found in trachea‚ bronchus‚ bronchiole and alveolus‚ and it has a structural role. It support‚ and gives strength to trachea and bronchi. It holds the airways open for the resistance with little airway. This prevents it from collapse
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Question describe the different types of epithetical tissue including structure function‚ and location. Answer: there are many types of epithetical tissue with many different functions in different parts of the body that do many different things working together to do there job to maintain these conclusions‚ first off theres the simple squamous: known as a single layer commonly very flat known for filitration and & absorption found in the lungs and blood vessels‚ known as the circulatory system
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Chapter 12: Neural Tissue - An Introduction to the Nervous System Learning Outcomes 12-1 Describe the anatomical and functional divisions of the nervous system. 12-2 Sketch and label the structure of a typical neuron‚ describe the functions of each component‚ and classify neurons on the basis of their structure and function. 12-3 Describe the locations and functions of the various types of neuroglia. 12-4 Explain how the resting potential is created and maintained. 12-5 Describe the events
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due to globalization‚ the audiences within countries have changed; migration‚ increased access to traveling‚ has caused each country to have to cater for a variety of cultures. The diversity within media in developed countries is now so great‚ and is still evolving as more and more people settle in countries foreign to their culture. Entertainment within media has also been swayed by globalization as audiences have gained access to a large range of content; television‚ cinema and print in
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org/2009/11/health-care-casualties-study-says-2200-veterans-died-in-2008-because-they-lacked-insurance.h http://www.californiaprogressreport.com/site/study-one-10-us-veterans-has-no-health-insurance http://militaryadvantage.military.com/2012/05/is-there-a-promise-of-free-health-care-for-life/ http://newsbusters.org/blogs/ken-shepherd/2012/06/29/obama-threatens-veto-bill-because-it-wont-raise-health-care-costs-mili http://www.emaxhealth.com/1/72/34403/many-veterans-are-without-health-insurance-plan.html http://www
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The power to make your own decisions and not have your choices determined by your genes and your past shows that the philosophy of free will is the most compelling philosophy. Naturalism is the philosophy that we‚ as humans‚ are influenced completely by our genes. The genes we were created and born with do not control the choices we make. If genes were the only things that influenced a person’s decisions‚ then scientists would be able to invent a machine that could make its own decisions and have
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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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