is absorbed. Digested nutrients passes into the blood vessels in the wall of the intestine through a process of diffusion. The inner wall of the small intestine is lined with tissue. The epithelial cells of the villi transport nutrients from the lumen of the intestine into capillaries
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Mary Gorton Microbiology Research paper Page 1 General defense mechanisms associated with the digestive system The gastrointestinal tract is a lymphoid organ‚ and the lymphoid tissue within it is collectively referred to as the gut-associated lymphoid tissue or GALT. The number of lymphocytes in the GALT is roughly equivalent to those in the spleen‚ and‚ based on location‚ these cells are distributed in three basic populations: 1. Peyer’s Patches: These are lymphoid follicles similar in many
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The cardiovascular system The heart is a major organ in the body‚ this organ pumps blood around the body‚ through veins‚ capillaries and arteries. The blood carries oxygen to our cells and also carries waste products which include water and carbon dioxide‚ which are products of respiration. Blood also helps spread out salts‚ enzymes‚ urea‚ nutrients‚ hormones and heat across the body. The structure of the heart The heart is located between lungs and it is protected by the rib cage‚ it is thought
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OFFICE MACHINE – REPORT – OVERHEAD PROJECTOR An overhead projector is a very basic but reliable form of projector. The overhead projector displays images onto a screen or wall. It consists of a large box containing a cooling fan and an extremely bright light‚ with a long arm extended above it. At the end of the arm is a mirror that catches and redirects the light towards the screen. An overhead projector can be used to enlarge images onto the screen or wall for audiences to view. Transparencies
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Punjab Univ. J. Zool.‚ Vol. 22 (1-2)‚ pp. 01-06‚ 2007 HELMINTH PARASITES OF SOME FRESHWATER FISHES MUHAMMAD SHAFIQ AHMED‚ TAHIR IQBAL‚ AMJAD MAHMOOD‚ MUHAMMAD GULZARIN AND MUHAMMAD ABID Department of Zoology‚ University of the Punjab‚ Quaid-e-Azam Campus‚ Lahore-54590 (MSA‚ MA); Department of Zoology‚ University of Azad Jammu & Kashmir‚ Muzaffarabad (TI‚ AM‚ MG)‚ Pakistan. Abstract: Forty-three freshwater fishes (Heteropneustus fossilis 11‚ Mystus vittatus 16 and Channa striatus 16) were collected
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Biology- cell organelles assignment Animal cells: Introduction: An animal cell is called a eukaryotic cell; it has a cell membrane‚ cytoplasm and a nucleus. The cell surface is covered by a membrane only. The cell membrane is strong and keeps the cell together even though it is thin and flexible. The cell membrane also controls what goes in and out of the cell e.g. nutrients go in and waste comes out. The cytoplasm is inside the nucleus and it controls the cells activities. An animal is
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that lines the air pockets (alveoli) of the lungs. | | Stratified squamous epithelium The identification is from the shape of the top layer of cells. | | Simple cuboidal epithelium This tissue lines the tubules of the kidney. You can see the lumen (open area) and the single layer of cuboidal cells that enclose a tubule. The cells are cuboidal in shape with the nucleus in the center. | | Simple columnar epithelium This tissue lines the digestive tract. The light fuzz on the apical surface
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Teeth * Tears and grind the food‚ breaking it down into smaller fragments. * By the age of 21‚ two sets of teeth have been formed. Deciduous teeth (baby teeth or milk teeth) * Begins to erupt around 6 months ‚ and a baby has a full set of (20 teeth) by the age of 2 years. Permanent Teeth * Enlarge and develop‚ the roots of the milk are reabsorbed‚ and between the ages of 6 and 12 they loosen and fall out. * The teeth are classified according to shape and function as incisors
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Katakataka [Kalanchoe pinnata (Lam.) Pers.] Botany Katakataka is an erect‚ more or less branched‚ smooth‚ succulent herb‚ 0.4 to 1.4 meters in height. Leaves are simple or pinnately compound‚ with the leaflets elliptic‚ usually about 10 centimeters long‚ thick‚ succulent‚ and scalloped margins. Plantlets grow along the notches of the leaf margins which can develop while still attached to the plant or when detached‚ a fascinating characteristic that earns its name. Flowers are cylindric‚ and pendulous
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Weekly Self S.O.A.P - A. S- Discuss your SUBJECTIVE feelings for this week: This week I was in 1600‚ which I have not been on since my first semester. In this floor you see more post surgical patients. I liked the new environment and being exposed to different nurses and types of patients. I was able to take care of 3 patients and feel confident in what I was doing. I believe that because my preceptorship is coming up soon‚ I have set my mind to think more independently along with feeling more
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