Disorders of the Digestive System Hyperacidity Excessive secretion of hydrochloric acid in the stomach is hyperacidity‚ which is technically known as hyperchlorohydria. It causes heart burn (Severe pain and burning sensation in the epigastric region due to hyperacidity is called heartburn) . Hyperacidity leads to ulcers. causes 1. Medicines like aspirin 2. Drinks like alcohol 1. Beverages like coffee 1. Cigarette smoking and tobacco chewing 1. Foods containing excess
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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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that eat plants. Some animals eat both plants and animals. Recall that all organisms including humans require food for growth‚ repair and functioning of the body. Animal nutrition includes nutrient requirement‚ mode of intake of food and its utilisation in the body. The mode of taking food into the body varies in different organisms. Bees and humming-birds suck the nectar of plants‚ infants of human and many other animals feed on motherís milk. Snakes like the python swallow the animals they prey
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taking the digested parts of the feed into the bloodstream. The digestive system includes the parts of the body involved in chewing and digesting feed. Essentially‚ during digestion‚ large and complex nutrient molecules are broken down into simpler molecules capable of being used by the organism for food. The type of digestive system determines the type of feed the animal can effectively use. There are two main types of digestive systems that will be discussed—ruminant and monogastric—including their
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I have always been interested in the human body. So why not learn more about it? When I get older I want to be an orthodontist. Learning about digestive system helps me learn more about how the body works. Before I started this research I didn’t really know that much about the digestive system. I mostly knew the basics‚ like that food moves from the mouth to the throat to the stomach and then leaves the body. But in reality there is much more to digestion that I didn’t know about. I found plenty
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Cells‚ Tissues and Organs of the Digestive System Living organisms all have various functioning systems within the body that enable life processes to be carried out. Each system uses different organs that coordinate with each other to carry out their functions‚ and these systems‚ organs and functions are shown below: Functioning System Related Organs Function Circulatory Heart‚ Arteries‚ Veins Transports blood through the body Digestive Mouth‚ Tongue‚ Pharynx‚ Esophagus‚ Liver‚ Stomach
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Metabolites through the body Food that we consume is composed of very complex molecules. During the digestive process these compounds are broken down into smaller and smaller subunits in preparation for use by the body as building blocks needed for the many components of the human body. In Module 3 we followed the food through the digestive system and considered the process that takes place in the digestive system. The pizza that was eaten by Matt and Maria contained ingredients composed of fats‚ proteins
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organ of the alimentary canal The alimentary canal includes the mouth‚ pharynx‚ esophagus‚ stomach‚ small intestine‚ large intestine‚ andanal canal Mouth Food enters the digestive tract through the mouth. The labia (lips) protect its anterior opening‚ the cheeks form its lateral walls‚ the hard palate forms its anterior roof‚ and the soft palate forms its posterior roof. The space between the lips and cheeks externally and the teeth and gums internally is the vestibule. The area contained by
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are absorbed. The average length of the small intestine in an adult human is approximately 7 meters. The Large bowel The large bowel is approximately 1.5metres long. It is the second-to-last part of the digestive system‚ the final stage of the alimentary
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PRE-LAB: 1. The value to students of dissecting a mammal‚ especially a pig because most students like to learn hands on giving them an opportunity to dissect a pig gives us a chance to give us a visual and help us understand the systems in a mammal. 2. My feeling about dissecting a pig is nervous because it is a real pig even though it is fetal. I feel like I will end up cutting the pig in the wrong spot. I am also excited to dissect the pig because I have never experienced this before and think
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