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    Digestive System Study Guide 1. Define the term digestion and explain its significance. The chemical and mechanical process of breaking down food and its absorption. Its essential to maintaining life. 2. Distinguish between mechanical digestion and chemical digestion. Chemical digestion is where complex food molecules are broken down to the basic building blocks by enzymes. Mechanical digestion is chewing‚ churning and segmentation. 3. Discuss the five digestive processes that overview the many functions

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    the correct answer. 1. What is the digestive system?  The body’s breathing system  The body’s system of nerves  The body’s food-processing system  The body’s blood-transporting system 2. Digestion begins in the mouth. Which of the following statement is INCORRECT? The tongue aids in the digestion of the food. The saliva changes some of the starches in the food to sugar. The tongue keeps the food in place in the mouth while the food is being chewed. The digestive juices can react

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    Along the way‚ various accessory organs help with the mechanical breakdown and the chemical digestion of food. Mechanical digestion involves physically mashing or tearing the bites of food we put in our mouths. We normally think of mechanical digestion occurring in the mouth‚ but there are other features of your GI tract that also help mash up your food. As what you consume is being smashed‚ chemical digestion also begins. Enzymes break fats‚ carbohydrates and proteins into their building blocks so

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    Introduction The dissection of the fetal pig in the laboratory is important because pigs and humans have the same level of metabolism and have similar organs and systems. Also‚ fetal pigs are a byproduct of the pork food industry so they aren ’t raised for dissection purposes‚ and they are relatively inexpensive. Procedure - as in the text book Purpose: The purpose of such activity is to dissect the fetal pig and observe various organs. Materials: Safety goggles String Dissecting pins Lab

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    Physio Ex Exp 8

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    Chemical and Physical Processes of Digestion exercise T 8 he digestive system is a physiological marvel‚ composed of finely orchestrated chemical and physical activities. The food we ingest must be broken down to its molecular form for us to get the nutrients we need‚ and digestion involves a complex sequence of mechanical and chemical processes designed to achieve this goal as efficiently as possible. As food passes through the gastrointestinal tract‚ it is progressively broken down

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    Biology(digestive system)

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    specialized function of turning food into energy. Each step in digestion requires energy‚ and thus imposes an “overhead charge” on the energy made available from absorbed substances The major part of digestion takes place in the small intestine. The large intestine serves as the site for fermentation of indigestible matter by gut bacteria and for reabsorption of water from digests before excretion Mechanical and chemical digestion begins in the mouth where food is chewed nad mixed with saliva

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    Gvt Task 2

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    salivary glands‚ liver and pancreas are considered to be accessory digestive organs. These organs produce saliva (salivary glands)‚ bile (gallbladder and liver) and digestive enzymes which contribute to the breakdown process of food. Mechanical digestion begins with the process of taking food into the mouth or ingestion and chewing it until it can be moved through the alimentary canal during the propulsion process. This process includes swallowing and in a series of muscle contractions and relaxation

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    Physiology Proposal

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    James Tran Ryan Su Tavit Marokosian Roseanne Hui Digestion Proposal Learning Objectives 1. Be able to divide food processing into four stages‚ and provide an explanation of each stage. 2. Compare and contrast main feeding mechanisms of different animals‚ along with intracellular and extracellular digestion. 3. Be able to draw a diagram of the human digestive system. a. Identify major organs and functions b. Identify interactions between organs c. Be able to identify hormones that regulate digestive

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    Lalala

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    Role of liver and pancreas in our digestive system LIVER One of the main functions of the liver is the production of bile. Bile is important for the digestion of fats. Fats are first of all is oily and hydrophobic‚ which means they don’t dissolve well in water or water-based solutions. The liver also can play a role in the digestive system by the way that it filters out toxins. Some things that the digestive system absorbs can build up in the blood and poison the tissues of the digestive tract

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    parts. THE DIGESTIVE SYSTEM Digestion is a process of breaking down large complex food substances into simple molecules that can be used by each cell. Most of the foods of organisms consist of carbohydrates‚ fats‚ and proteins. Each of these large molecules acted upon by special kinds of digestive systems that speed up digestion by hydrolysis or splitting of molecules. Food also includes smaller molecules such as water‚ minerals and vitamins. DIGESTION IN PLANTS Plants do not have

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