is the pharynx mechanical or chemical digestion

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The digestive tract in humans is composed mainly of the mouth,pharynx,esophagus,stomach,small intestine and large intestine. Within each of these organs processes ofmechanical and chemicaldigestion occur that produce as a result the general digestion.

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What Are Mechanical and Chemical Digestion? 1 This type of digestion generally starts and occurs in the mouth. There are also muscles in the stomach wall that… 2 It can actually be seen in that you can actually see the larger food pieces turning into ever smaller pieces by the… More …

The pharynx, or throat, is the passageway leading from the mouth and nose to the esophagus and larynx. The pharynx permits the passage of swallowed solids and liquids into the esophagus, or gullet, and conducts air to and from the trachea, or windpipe, during respiration.

The pharynx is the part of the digestive tract that leads to the esophagus. The epiglottis is located within the pharynx. Its job is to close so that food doesn’t enter the trachea during the act of swallowing. 3. Esophagus The esophagus is just the connection between the pharynx and the stomach.

Chemical digestion actually starts in the mouth when our saliva mixes in with the food. Saliva has an enzyme known as amylase that is important in breaking down carbohydrates. As an enzyme, amylase is a type of protein that undergoes a biochemical reaction to change one molecule into another molecule.