BSC2085 4 lab .docx - BSC 2085C Anatomy and Physiology Lab...

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BSC 2085C: Anatomy and Physiology Lab 4: Histology Name __ Directions: There are five (5) activities in this lab. Please be sure to complete them all. For all questions, type your answers into the yellow box ____ (including your name above) it will expand as you write. Activity 1: Tissue Types 1-1: List the four types of tissue found in the human body and give an example of each. 1. __epithelial__ 2. _connective___ 3. __muscle__ 4. _nervous___ Activity 2: Epithelial tissue 2-1: What are the characteristics of epithelial tissue? _polarity,specialized contacts, supported by connective tissues, avascular but innervated, regeneration.___ 2-2: What is the function of epithelial tissue? _absorption, protection, filtration, secretion, sensory reception, excretion.___ 2-3: Where is epithelial tissue found? _outer layer of the skin. Into and lines the open cavities of the urogenital, digestive, respiratory systems. And cover the walls and organs of the closed ventral cavity.___
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2-4: This is a cross section of the esophagus. Number 1 represents the lumen of the esophagus. Identify the tissue types indicated by 2 and 3. 2. _Stratified squamous epithelium tissue___ 3. __dense irregular connective tissue__ 2-5: Below is a picture of intestinal villi. Identify the tissue type at 1 and the cell type at 3.
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1. _simple columnar epithelium___ 3. __goblet cells__ 2-6: Below is a photo of the trachea. Identify the cell modifications at 1, and the tissue types at 2 and 3.
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1. _ciliated lining___ 2. _pseudostratified columnar epithelium___ 3. __connective__ 2-7: Identify the tissue type at 1 below: _simple squamous epithelium___
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2-8: The picture below shows kidney tubules. Identify the tissue type at 1 and 3: 1. simple epithelial ____ 3. _nucleus of simple cuboidal epithelial___
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2-9: The picture below shows a cross-section of a lung. The areas labeled 2 are alveoli, the air sacs of the lungs. What type tissue is 1? _nuclei of squamous epithelial cells___
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2-10: Identify the tissue or cell types or component below. 1. (tissue type) _epithelial___ 2. (tissue type) _connective___ 3. _cilia___ 4. _goblet cells___ 5. __ciliated columnar cells__ Activity 3: Connective tissue 3-1: What are the characteristics of connective tissue? _common origin, extracellular matrix, degrees of vascularity.___
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3-2: What are the functions of connective tissue? _insulating stores and reserve fuel, transport substances within the body.___ 3-3: Where would you find connective tissue? _connective tissue is the most abundant type of tissue. It can be found in many parts of the body such as organs, bone marrow etc.___ 3-4: The slide below is a section of the small intestine. In this tissue, the collagen fibers are interwoven and irregularly arranged (i.e. they run in more than one direction), which provides great structural strength. The tissue is well suited for areas where tension is exerted from many different directions, such as the dermis of the skin, submucosa of the gastrointestinal tract and fibrous capsules of organs and joints. It also forms fascia, the tough, white material that surrounds muscles.
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