and the anus. The first step is the mouth‚ inside the mouth are the teeth which are used to processes the burger into a mush of small pieces so it can be swallowed. Saliva added by the salivary glands help moisten the food and break it down for digestion. If the food isn’t processed properly the risk run of choking on the large pieces of food are high. The next step Is the gullet‚ the gullet or oesophagus is a pipe 25cm (10m long) which passes food from the mouth to the stomach using waves of muscle
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colitis‚ the lining of their colon develops ulcers‚ or tears. This can lead to stomach pain‚ bloody diarrhea‚ bleeding from tears around the anus‚ weight loss and decreased appetite. Special diets Healthy foods prepared simply can help maintain good digestion‚ but the wrong foods can cause any number of digestive woes. When you’re experiencing a bout of indigestion‚ you need to switch to wholesome choices‚ and avoid these hard-to-digest foods. If you have celiac disease‚ you must avoid gluten as well
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4. Enzymes p176 Enzyme structure Lock and key hypothesis Notes understand p178 Factors affecting enzyme action Effect of temperature & pH Role of enzymes p180 Aerobic respiration Equation Mitochondria p182 Enzymes in digestion Carbohydrase (amylase)‚ protease‚ lipase Structure of digestive
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secretes acid and enzymes to break down proteins and fats. Stomach contains hydrochloric acids which dissolves food that they’ve consumed. Microbial fermentation occurs in the large intestine. Stomach stores nectar. Stomach lining releases mucus. Digestion of pollen takes place in the intestine. Comparison of digestive systems Goats have a relatively larger caecum compared to a dog Goats have a larger more complex digestive system compared to both dogs and honey possums. Honey possums have an absence
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I. Fetal Pig Dissection II. Purpose Sus scrofa‚ or the domestic pig is a member of the class Mammalia and the order Artiodactyla. Since we as humans are also a member of class Mammalia‚ we have a good deal in common biologically with pigs‚ although we might not like to think so. Since we have a good deal in common‚ it is very helpful for us to study these animals both anatomically and physiologically. We do this when we test medicines on pigs‚ perfect surgical procedures on pigs‚ and even when
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L. PETERSON/AP BIOLOGY Describe the role of the hypothalamus‚ the pituitary hormones‚ and the ovarian hormones in the regulation of the human menstrual cycle. Include in your discussion the concept of feedback control and the way in which fertilization of the egg alters the menstrual cycle. STANDARDS: Hypothalamus and Feedback: Maximum 6 pts. __low progesterone or estrogen resulting in positive feedback __secretion of a releasing factor __secretion of pituitary FSH __high level
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Science Nutrition Justin Park 24.2.13 1. Given MRS GREN is an acronym for features of a living thing. Define Nutrition in our context study. The process of providing or obtaining the food necessary for health and growth. 2. Make a table that lists the chemical elements in Carbohydrates | Carbon Oxygen Hydrogen | Fats | Stearic acidPalmitic acidOleic acid | Proteins | Sulphur carbon hydrogen oxygen nitrogen | 3. Briefly describe how large molecules are made from
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the large intestine - After passing through the small intestine‚ food passes into the large intestine. In the large intestine‚ some of the water and electrolytes are removed from the food. Microbes are used in the large intestine to help in the digestion process. The first part of the large intestine is called the cecum (the appendix is connected to the cecum). Food then travels upward in the ascending colon. The food travels across the abdomen in the transverse colon‚ goes back down the other side
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Eventually if the cystic fibrosis gets worse‚ a lung transplant will be a necessity. This disease is not deadly unless not treated in time. In this report‚ there will be a discussion of several topics described throughout the paper to name a few topics: Background on Cystic Fibrosis‚ causes‚ symptoms‚ treatments and prevention. Background Dr. Dorothy Anderson was born in Asheville‚ North Carolina on May 15‚ 1901. She was the only child to both of her parents Mr. and Mrs. Anderson. At a young
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three major functions of the digestive system the secretion‚ digestion‚ and absorption. Accessory organs such as salivary glands‚ liver‚ gallbladder and pancreas have duct that lead into the digestive tract and thus support digestive function. Digestion is defined as the mechanical and chemical breaking down of food into smaller components‚ to a form that can be absorbed and utilized by the cells of the body. The two phase of digestion are mechanical and chemical or enzymatic. The former involves
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