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This stage is voluntary and is characterized by contraction of the muscles of the floor of the mouth and tongue that propel the food bolus into the pharynx. Figure %: The tongue closes off the mouth, the soft palate blocks the nose, and the larynx rises such that the epiglottis closes off the trachea. Food then moves from the
During deglutition (swallowing), the soft palate rises to close off the nasopharynx, the larynx elevates, and the epiglottis folds over the glottis. The esophagus includes an upper esophageal sphincter made of skeletal muscle, which regulates the movement of food from the pharynx to the esophagus. It also has a lower
d) common bile duct. b) respiratory tract. The epiglottis guides food from the pharynx into the a) large intestine. b) small intestine. c) esophagus. d) lungs. c) esophagus. When the gastroesophageal sphincter contracts, food a) flows from the esophagus into the stomach. b) is prevented from reentering the esophagus from the
During the act of swallowing, the soft palate and the uvula move upward to facilitate the movement of the food into the pharynx and to close off the nasal cavity. The tongue forces the food into the pharynx, and the epiglottis drops downward to cover the opening of the larynx, directing the food mass into the esophagus.
hollow tube consisting of the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus. gut pharynx. swallows chewed food mixed with saliva. esophagus. moves food to the stomach. liver. makes bile, which aids in digestion and absorption of fat . the epiglottis guides food from the pharynx into the.
3–10 Test Bank for Nutrition Science and Applications, Canadian Edition Answer: d Difficulty: Easy Learning Objective: Describe what happens in each of the organs of the gastrointestinal tract. Section Reference: 3.3 Digestion and Absorption 19. The epiglottis guides food from the pharynx into the a) large intestine. b)
It can be found between the hyoid bone and the larynx and esophagus, which helps guide food and air where to go. It is a part of the pharynx. G = ? Epiglottis-It is normally pointed upward during breathing with its underside functioning as part of the pharynx, but during swallowing, elevation of the hyoid bone draws the
When you breathe and do normal activities, the epiglottis sits in an upright position and allows air to pass through the larynx and into the trachea and lungs. When you chew food and swallow, the chewed food reaches the pharynx (throat) and sets off the extrinsic muscles that make the entire larynx move upward. When this
The pharyngeal phase occurs involuntarily when food enters the pharynx, as follows: The soft palate and uvula fold upward and cover the nasopharynx to prevent the passage of food up and into the nasal cavity. The epiglottis, a flexible cartilaginous flap at the top of the larynx, folds down as the larynx rises. As a result, the

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February 2018