Unit 5- P4

P4 The affirmive system The digestive system is a play of electric organs which be the let loose, stomach, the small and large intestines, esophagus, and liver. These organs all move a part in prison-breaking down nutrient so that the body can expend it for unalike jobs. aliment being broken down and put on involves different stairs and different organs to be suitable to do different jobs. The digestive system adjoin 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 spittle which is contained in the mouth which is produces by the salivary glands begins to digest the forage before the food is even swallowed. Saliva and the other chemicals which atomic number 18 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 foo d and breaks it into smaller pieces. The mouth is changed mechanically when thorny and chewing food. In a homo mouth there be dentition and within a human they argon quadruplet types of teeth which are utilize 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 employ for tearing food and premolars and molars which are used for grinding, pounding and crush 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 united ly to create a loco mass. Saliva contains e! nzymes 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 can of the throat and is forced through the opening of the esophagus. The esophagus is a tick muscular underground which is located behind the trachea that extends through the neck and pectus of the stomach. The bolus of food moves through...If you want to bond a full essay, set up it on our website: OrderCustomPaper.com

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