Write the name of the connective tissue type that matches each description. A connective tissue can be used more than once. 1. Contains elastic fibers and is found in the lungs. This tissue allows the lungs to inflate during inhalation and return to their original shape after exhaling. 2. Packed with parallel bundles of collagen fibers and found in tendons. This tissue resists pulling forces applied by muscles. 3. Has a firm, gelatinous ground substance containing collagen fibers. This tissue is found in the tracheal wall to support and prevent the trachea from collapsing. 4. Found under covering and lining epithelium. Its extracellular matrix contains a loose arrangement of fibers, and its viscous ground substance facilitates the flow of interstitial fluid containing nutrients to epithelial tissues. It also cushions and supports epithelia. 5. Contains many elastic fibers in a firm gelatinous ground substance. Located in external ear, auditory tube, and epiglottis. 6. Hard extracellular matrix forms trabeculae. 7. Forms a framework in the spleen, bone marrow, and lymph nodes. It contains fine, branching fibers. 8. Is packed with bundles of collagen fibers running in different directions. It is found in skin and allows skin to resist pulling forces from many different directions. 9. Fluid extracellular matrix used to transport substances throughout the body. 10. Contains a large number of lipid-storing cells. It is found throughout the body, cushions and insulates organs, and stores lipids for future energy needs.
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The tissue that allows the lungs to inflate and return to their original shape is elastic fiber tissue. Show more…
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1. The purpose of tight junctions in an epithelial cell layer is to communicate through channels that cross both membranes attach cells together tightly restrict liquids from crossing the tissue layer between the cells attach the cells tightly to the basement lamina 2. One of the reasons that tissue layers are kept intact is that cells are anchored to each other through the extracellular matrix cells are anchored to each other through their cytoskeletons integrins anchor the cells to the collagen fibrils at the apical surface cells can break away and reattach themselves within the tissue layer 3. The main purpose of the extracellular matrix surrounding animal cells is to provide structural support for the tissue layer and resist tension from either side to provide nutrient support to prove pigmentation for the tissue layer to provide a blood supply to the tissue 4. Connective tissue is composed mostly of extracellular matrix surrounding fibroblasts. Which of the processes below is necessary for producing the extracellular matrix? regulated exocytosis constitutive exocytosis facilitated transport through a membrane channel regulated endocytosis 5. The main purpose of proteoglycans inside the joints of an animal with an endoskeleton is to resist sticking to other proteoglycans resist turgor pressure resist tension as joints are moved resist compression by filling the space with water
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Match the Tissue with the appropriate description by selecting the number for the description. Answers Tissues Connective Description: This tissue is highly cellular with little or no extracellular matrix. Cells are of different sizes and resting on the basement membrane. Multiple layers of various shaped cells, top layer with squamous cells. Tissue: Fibroblasts Simple Squamous Epithelium Alveolar CT This tissue contains more extracellular fluid than cells. It lines the ureter and urinary bladder. It can change its thickness to allow distension. Stratified squamous nonkeratinized epithelium Fibrocartilage Dense Irregular CT Provides support and acts as packaging material. Lines alveoli and provides a thin layer to help in the diffusion of air. Makes up the layer of skin and is made up of bundles of collagen fibers running in different directions. Located in the intervertebral discs, pubic symphysis, and discs of the knee joint. Most common cells of connective tissue in animals. It plays a critical role in wound healing. They synthesize the extracellular matrix and collagen. Epithelium Transitional Epithelium Pseudostratified columnar epithelium
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