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explain the digestion of foodsalivary amylase or ptyalin acts on cooked starches polysaccharides and changes them into maltose as shown
explain how tongue can sense different tastesour tongue can sense different tastes do you know which are the basic tastes and the areas where these
explain the filiform papillaethese are long and slender and are the smallest of the three types of papillae they are found to be most numerous on the
explain fungiform papillaethese are situated mainly at the tip and the edges of the tongue they have a flat rounded head like fungus the fungiform
explain the circumvallate papillae these are the largest of the papillae about 8 to 12 in number these are arranged in a
explain the structure of tonguethe tongue is a muscular organ it is covered with a mucous membrane the tongue is attached by its base to the hyoid
what is tonguethe tongue is a major organ you will agree that the tongue precisely reflects the state of our digestive system how well you may have
explain accessory organs which help in digestionthe gastrointestinal tract receives various secretions some are secreted from the glands in the
explain nerve supply of the gastrointestinal tractthe gastrointestinal tract is supplied by nerves from both sympathetic and parasympathetic nervous
explain the mucous membranethis layer is lined by the epithelial cells parts of the tract which are subject to mechanical injury the layer consists
explain the submucous layerthis layer consists of loose areolar connective tissue there are lymph vessels plexuses of blood vessels and nerves the
explain the muscle layerthis layer consists of two layers of smooth muscle the outer layer is a longitudinal muscle layer and the inner layer is a
explain adventitia or outer coveringin the thorax the outer covering is made up of loose fibrous tissue and in the abdomen the organs are covered
explain general structural plan of the gastrointestinal tractthe wall of the gastrointestinal tract consists of four layers of tissue these are
explain physiology of gastrointestinal systemin this unit we shall focus on the gastrointestinal system the gastrointestinal system you would realize
explain mouth to mouth respirationif no instrument is available ones own lung may be used as a positive pressure pump air may be blown into the lungs
explain intermittent positive pressure lung inflation when medulla is affected the cough reflex may be lost to prevent secretions entering the lungs
explain the cabinet respiration such an apparatus is used when the respiratory muscles are paralyzed by an injury or an infection a cabinet
explain the oxygen toxicity - histotoxic hypoxiaexposure to oxygen at increased pressure can produce a marked increase in the dissolved oxygen in
explain hypercapnia and hypocapnia - histotoxic hypoxiahypercapnia it is the retention of carbon dioxide in the body there is a depression of the
explain asphyxia - histotoxic hypoxiaimproper aeration of blood produces a series of pathological manifestation and ultimately death the symptoms
explain emphysema - histotoxic hypoxiaemphysema is a chronic respiratory disease where there is an over- inflation of the air sacs alveoli in the
explain pneumothorax - histotoxic hypoxiait is a collection of air or gas in the chest or pleural space that causes a part or all of a lung to
explain acclimatization - histotoxic hypoxiaa compensatory respiratory adjustment at moderately high altitudes is called acclimatization if you
explain cyanosis - histotoxic hypoxiacyanosis is a physical sign for causing bluish discoloration of the skin amp mucous membranes cyanosis is caused