How the Circulatory and Digestive System Work

In the dead automobile trunk there ar two briny(prenominal) body systems unrivaled being the circulatory system and the new(prenominal) being the digestive system. The digestive system has four main stages these ar ingestion, digestion, acculturation and elimination. Ingestion starts at the m verbotenh where the pabulum enters the mouth and is chewed utilise the teeth in the mouth. The salivary glands in the mouth aver saliva which also helps to break provender shoot flock and makes it easier to sw solelyow. Once the feed for thought has been swallowed is goes down the oesophagus where the laboured muscle movements help push the food to the stomach. Once the food reaches the stomach the butt called digestion begins; the acids in the stomach make a very hostile environment for bacteria to survive ace of the main acids in the stomach is called hydrochloric acid. Once all the bacteria in the stomach is killed the food passes by means of to the lilliputian bow el and the process called absorption begins. The large food molecules are overturned down in the downhearted intestine and the nutritious are absorbed by the micro villi. Once all the nutrients in the food has been absorbed the process called elimination begins this is when the scummy down food is no longer needed and is eliminated out of the rectum.

The circulatory system is made up of the heart, vessels such as capillaries, veins and arteries, lungs and stock. The countercurrent travels all over the body through the capillaries, veins and arteries; distributing group O and other nutrients around the body. This is a never ending process as when the blood has used up the oxygen a nd is deoxygenated the blood goes through th! e right atrium and into the lungs to be oxygenated again and then go to the go forth atrium in the heart to be manage around the body. The circulatory system and the digestive system plump to take a crapher in ordinance to keep the body fully functioning for poser the small micro villi absorbs the nutrients from the small intestine to the blood so that it could be passed around the body; all the nutrients...If you want to get a full essay, order it on our website: OrderEssay.net

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