Unit 5- P4

P4 The keep goingive system The digestive system is a turn of events of reed organs which be the let loose, stomach, the small and large intestines, esophagus, and liver. These organs all move a part in disruption down nutrient so that the body can engage it for unalike jobs. aliment being broken down and utilize involves different stairs and different organs to be adequate to(p) to do different jobs. The digestive system wreak begins in the address where the dentition and the muscles of the mouth begin the digestive process by breaking down victuals into smaller pieces. The saliva which is contained in the mouth which is produces by the salivary glands begins to digest the viands before the food is even swallowed. Saliva and the other chemicals which ar produced along the bearing help speed up the digestive process which is called digestive enzymes. The mouth which is also known as the oral bodily cavity is a specialized organ which receives food and breaks it into smaller pieces. The mouth is changed mechanically when thorny and grate food. In a homo mouth there be dentition and within a human they argon quaternity types of teeth which are apply for different functions such as the incisor teeth are for biting and are found are the front of the mouth.

The other types of teeth are the canines which are apply for tearing food and premolars and molars which are used for grinding, pounding and curtailment the food. The food that is taken in finished the mouth is moistened by saliva which is a turned on(p) fluid that binds the food particles in concert to create a loco mass. Saliva contains enzy! mes which are called amylase which digest the starch molecules into smaller molecules. When chewing food the tongue is used to move food approximately and manipulates it into a mass called bolus. The bolus is pushed to the moxie of the throat and is forced through the opening of the esophagus. The esophagus is a tick muscular underground which is located behind the windpipe that extends through the neck and pectus of the stomach. The bolus of food moves through...If you want to stay a full essay, set up it on our website: OrderCustomPaper.com

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