Theycontainlymphocytes 1 2nasopharynx

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Unformatted text preview: PHARYNX ­soft palate to epiglottis ­two sets of TONSILS a. Palatine b. Lingual ­the tonsils remove pathogens that enter the pharynx. They contain lymphocytes 1. 2. NASOPHARYNX ­located superior and posterior to the soft palate. ­contains the PHARYNGEAL TONSILS and TUBAL TONSILS 3. LARYNGOPHARYNX ­inferior to the epiglottis and posterior to the larynx. ­ this division opens into the esophagus and larynx. Sagital section of cadaver head Notice the nasal conchae. They serve to expand the surface area to warm and moisten breathed air. Also, notice the position of the spinal cord within the vertebral canal. How does “Digestion” occur? How does “Digestion” occur? 6 step process: 1. Ingestion 2. Propulsion Peristalsis – alternate waves of muscular contraction and relaxation in the primary digestive organs. The end result is to squeeze food from one part of the system to the next. Mechanical Digestion ­ physical preparation of food for digestion. ­ Segmentation – mixing of food in the in...
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