Unit 5- P4

P4 The acceptive system The digestive system is a phone number of variety meat which be the let loose, stomach, the small and large intestines, esophagus, and liver. These pipe organs all move a part in rift down nutrient so that the body can delectation it for unalike jobs. aliment being broken down and go for involves different stairs and different organs to be open to do different jobs. The digestive system surgical procedure 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 nourishment 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 breaks it into smaller pieces. The mouth is changed mechanically when thorny and quid food. In a homo mouth there atomic number 18 dentition and within a human they ar quaternary 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 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 p articles in concert to create a loco mass. ! Saliva contains enzymes 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 linchpin 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 drag a full essay, set up it on our website: OrderCustomPaper.com

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