Digestion

sIts a typical day. After arise you stand home and you are starving, but you just exit a snack. What should I exhaust?, you ask yourself. Then, after nervus facialis expression through the cabinets for a few minutes, you find Cheetos and shape to eat a few. With just the presence of those Cheetos in your sight, the digestion change begins in your 9 meter long digestive tract. Crunch, Crunch, Crunch. As you jaw on those first few Cheetos the digestion process begins in your mouth. Here, windup(prenominal) digestion begins to reduce the size of the Cheeto and mixes the sustenance particles with saliva. The tongue helps mix and moves the pieces of Cheeto passim the mouth. The salivary glands in the mouth also contribute to the resolve of the Cheetos in the mouth. They secrete amylase and mucus. The parotid glands begin chemical digestion on the Cheetos. It secretes a clear, watery fluid that is high in amylase. The enzyme, amylase, begins to part carbohydrates into disa ccharides. The other two salivary glands, the submandibular and the sublingual, secrete saliva containing mucus, which binds and lubricates the Cheeto particles for well-off swallowing. Now the pabulum has been formed into a bolus with the help of saliva, the tongue, and teeth.

nigh the bolus travels into the pharynx, where the epiglottis closes off the top of the trachea so no nutriment can enter. Then it moves on to the esophagus, where peristaltic waves push the intellectual nourishment toward the stomach. The food enters the stomach through the cardiac sphincter at the screw of the esophagus. Now the Che etos have entered the stomach. The process o! f breaking down carbohydrates has already begun in the mouth and now more chemical and automatic digestion will take place in the stomach. Once the bolus has entered the stomach, it mixes with gastric juice, starts protein digestion, and absorbs a limited amount. Here the chief cells secrete the dormant(ip) enzyme pepsinogen and the parietal calls secrete hydrochloric acid. The bolus then travels down into the...If you want to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper