Essay - Human Digestive System the Human Digestive System Is Composed of...

Human Digestive System

The human digestive system is composed of multiple parts, including the mouth (pharynx, throat, palate, tongue, teeth), stomach, small intestine, large intestine, liver, pancreas, salivary glands, bowels, and many more. The sole purpose ***** the ***** system is to break down foods that are eaten, so ***** the food might be absor*****d into the bloodstream. The existence of a digestive system sets *****nimals apart from plants. Digestion consists of a physical and chemical break***** ***** *****. Because of the complexity and large size of the digestive *****, diseases that can interfere this body system are numerous and varied in *****ir modes of transmission, their symptoms, their treatments, and their possible short-term and long-term effects. This paper will focus on three such diseases: Cirrhosis of the liver (caused by viral Hepatitis), hookworm disease (***** by hookworms), and cholera (caused by Vibrio cholerae).

The large size of ***** digestive system, al*****g with the diverse group of organs associated with it; prevent ***** presentation of one specific defense mechanism aga*****st diseases. Depending on which organ the disease tends to focus on, the body reacts uniquely for that organ. However, the most definitive action taken against ***** system diseases are regulations and standards ***** living conditions. Many diseases that affect the digestive system relate directly to food, and undercooked food, mishandled food, and poor sanitation conditions are common factors in some***** contracting a digestive system illness. The human immune system plays a key role in ridding ***** body of foreign ***** harmful organisms as well. More specific ***** mechanisms ***** be discussed ***** each disease, in regards to the organ to which ***** disease infects and causes damage *****.

***** liver is one of the most diverse and functional organs in ***** body. In short, the liver purifies every particle that enters the digestive tract, and ***** breath of air that enters the body;

***** liver also ma*****tains levels ***** carbohydrates, minerals, protein, and vitamins the rest of the body receives. (Palmer, 9-10)

Hepatitis is a general term for ***** different strains of illness, all which cause inflammation of the liver. (Palmer, 73) Hepatitis can ***** described as either acute or chronic; an "especi*****y severe *****m ***** acute hepatitis" is fulminant. (Palmer, 72) Acute hepatitis is gone, with no permanent damage, in six months. Chronic ***** lasts longer than six months, which can ***** cirrhosis of the ***** to develop, along with ***** possibility of developing one ***** more ***** the medical complications ***** ********** occur because of *****. (Palmer, 72)

Five separate viruses, all with their own unique characteristics, can cause hepatitis. (Palmer, *****) Hepatitis itself ***** similar symp*****ms to cirrhosis (see below) or sometimes no symptoms at all. Hep*****itis B (HBV) *****ally ********** to be a ***** flourishing virus - there ***** about 200,000 new ***** infections in the U.S. every year. (Palmer, 95) HBV seems to ***** ra*****r hardy - ***** have been traces of HBV found in human "blood, sweat, tears, saliva, semen, vaginal secretions, menstrual blood,