The first part of the digestive system is the oral cavity and salivary glands. The function of the oral cavity is the ingestion of liquids, solids and the chewing of solids to break them down ready for the stomach. Salivary glands in the oral cavity secrets saliva in order to aid smoother digestion down the oesophagus and amylase starts breaking down any starch. As authors Marieb and Hoehn(2015) states the submandibular and Minor salivary glands secrete saliva, serous fluid and Mucus, but the Von Ebner’s Gland secrete a fluid which helps to enable lipid hydrolysis, the breakdown of fatty substances like vegetable oil.
The oral cavity changes with age , young children have milk teeth already located in the mouth which break through when solids become prominent in the diet. These are then lost to bring through the adult teeth. Oral eating habits also effect the digestive system as young babies will have a diet …show more content…
The white pulp in the spleen helps to combat infection and produce antibodies, the red pulp helps to filter the blood. This links with the cardiovascular system in that in order for the cardiovascular system to work effectively it must have a healthy system of red blood cells, if the red blood cells are tired out the cardiovascular will thus not work effectively. The spleen also holds a reservoir of blood in case of hemorrhagic shock in the body, which can be released if