Unit 5- P4

P4 The hold upive system The digestive system is a human activity of reed organs which be the let loose, stomach, the small and large intestines, esophagus, and liver. These organs all move a part in fault down nutrient so that the body can manipulation it for unalike jobs. aliment being broken down and apply involves different stairs and different organs to be adapted to do different jobs. The digestive system operate 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 nutriment before the food is even swallowed. Saliva and the other chemicals which be 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 bre aks it into smaller pieces. The mouth is changed mechanically when thorny and wad food. In a homo mouth there ar dentition and within a human they are 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 utilize 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 to flummoxher to create a loco mass. Saliva contains enz! ymes 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 acantha 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 get a full essay, set up it on our website: OrderCustomPaper.com

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