Anatomy

The nervous System The nervous constitution is divided into deuce incompatible frames. One of these systems is the central nervous system which lie downs of the spinal cord and the forefront. The main function of the central nervous system is to unsex information from the body and transmit out instructions. This is because the brain sends messages done the spinal cord and the nubs. This is done by the nerve cells which ar called neurones. The neurons have long fibres in revision to send electric impulses throughout the body. The Digestive System The raiseive system major components ar the mouth, salivary secreter, oesophagus, liver, stomach , gall bladder, pancreas, duodenum, boastfully intestine and the colon and rectum. They all have different functions within the digestive system. When you eat, you spark plug and whilst chewing the salivary gland produces saliva which mixes in with this regimen. This makes enzymes which imply salivary amylase. T hese then nonplus to overstep humble the amylum which are in the diet which have just been consumed by the individual. The food is then swallowed and travels down the oesophagus into the stomach. The stomach is do up of muscle. It is composed of third different types of muscle. The layers of muscle gain unneurotic with gastric juices in order to help break up the food.

Gastric juices consist of gastric protease and hydrochloric acid. The point of intersection that is left later this process is called chyme. This can stay in the stomach for up to three hours. The next place the chyme travels to is the keen intestine which consists of the duodenu! m and the ileum. When the food reaches the duodenum, the liver and pancreas and duodenum all work to instituteher to make juices and secretions which help to digest the proteins, carbohydrates, fats and lipids. Also the gale bladder creates cheekiness which makes it easier to break down fats. supercharge down the small intestine Is the ileum. It is the ileums job also absorb nutrients from the digested food. The ileum has...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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