The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity‚ pharynx‚ esophagus‚ stomach‚ small intestines‚ and large intestines. In addition to the alimentary canal‚ there are several important accessory organs that help your body to digest food but do not
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Colon Cancer What is the disease? Colon and rectal cancer develop in the digestive tract‚ which is also called the gastrointestinal‚ or GI‚ tract. The digestive system processes food for energy and rids the body of solid waste matter (fecal matter or stool). Colon cancer and rectal cancer have many features in common. Sometimes they are referred to together as colorectal cancer. Over 95% of colorectal cancers are ad enocarcinomas. These are cancers of the glandular cells that line the inside
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1. Draw a diagram of a villus in vertical section. (Total 5 marks) 2. Draw a diagram of the human digestive system. (Total 4 marks) 3. Describe the role of enzymes in the process of digestion of proteins‚ carbohydrates and lipids in humans. (Total 6 marks) 4. Draw a labelled diagram of the digestive system. (Total 5 marks) 5. State the sources‚ substrate‚ product‚ and optimum pH conditions for the enzyme amylase. (Total 4 marks) 6. Describe the role of enzymes in
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8 Science Body System Investigation My Question: Do plants have or need a digestive system? Some plants have digestive systems‚ but those plants live in marsh areas because they can’t get adequate nitrogen. But most plants don’t have digestive systems. Plants that don’t have digestive live in soils and environments that contain all the nutrients and other things they need. Plants that have a special type of digestive system that is much different to humans live in areas with not enough nutrients
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contains antioxidants that help in detoxifying your body naturally. It is also good source of probiotics that are very good for the health of the gut by maintaining the balance of good bacteria in the digestive system. This therefore‚ helps in enhancing digestion and
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madreporite and branches out into the radiated canals. rectal cecum Lateral duct of the terminal part of the digestive tract‚ where waste is stored before being expelled through the anus. anus Terminal orifice of the digestive tract allowing waste to be ejected; most of the undigested food is regurgitated rather than expelled through the anus. stomach Dilated section of the digestive tract preceding the intestine; it receives food to be digested. gonad Each of the two glands located in each
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and swallowed it. Some may think that right after the food is swallowed‚ it goes straight to the stomach. The purpose of this essay is to discuss the path food follows as it goes through the digestive system. Amount of Time it Takes It does not really take long for the food we eat to go through the digestive system considering
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that happens in a cell. Still each one has its own process and rate that it converts molecules. Studying enzymes shows how chemical reactions work. Without enzymes‚ chemical reactions would never be possible. One important enzyme in the body is the digestive enzyme; it helps to digest food‚ for they are vital to humans and life (Jon Barron‚ 2011). STRUCTURE AND FUNCTION OF AN ENZYME Each enzyme is made from an amino acid and is made by stringing together between 100 and 1‚000 amino acids in a special
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Checkpoint: Human Digestion SCI/241 June 4‚ 2013 The path that food follows through the digestive system is very interesting. First you put the food to your mouth‚ take a bite‚ and chew. The salivary glands begin the digestive process at the sight and smell of food. After food enters the mouth and is moistened by saliva‚ it transforms into a bolus. Once the bolus leaves the mouth‚ it moves into the pharynx‚ where it can be swallowed. The bolus then moves from the pharynx to the stomach
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nutrients which the body uses for energy‚ growth and cell repair. When I am chowing down my steak and potatoes‚ my digestive system is doing that exact thing. Our digestive system breaks down food into smaller molecules and into nutrients for the body. These nutrients include carbohydrates‚ protein‚ fat and vitamins. The digestive system is made up of the GI tract‚ also known as the digestive tract. The GI tract is a series of hallow organs going from the mouth to the anus. The organs that make up this
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