BIOLOGY ‘S ASSIGNMENT 1/What is the purpose of digestion? * Break down food‚ absorb nutrient from food into body tissues and systems in body 2What is the name given to mammal only eat meat ? * Carnivores 3/What is the name of mammal only eat plant? * Herbivores 4/What is the difference between a fore-gut fermenter and hind-gut fermenter? Example? Because plant cells have tough cellulose cell walls and herbivore are not able to digest‚ they use micro- organisms that live symbiotically
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Observation of Digestive and Circulatory System Introduction/Background: This week’s lab is about digestion and the circulatory system. Students will be learning about the different types of digestion and circulatory systems for different types of animals. Students will learn not only about the mechanical and chemical components of digestion‚ but also the complete and incomplete digestions. The lab will also teach the open and closed‚ single and double‚ circulation patterns. Several different models
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Biology Mammals Grazing Herbivore: Herbivores digestive systems can consist of one of two types of insides‚ it can be a foregut fermenter where the Foregut Fermeters has two parts (a tubiform and a sacciform fore stomach) containing lots of microbes. The stomach is bigger than that of a hindgut fermenter considering its usually a bigger animal‚ the stomach has an extra chamber to help devour glucose from the cellulose (the herbivores diet is largely cellulose and is broken down by the microbes)
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The goat is considered a ruminant animal. The digestive system includes the mouth‚ esophagus‚ four stomach parts‚ a cecum‚ a small intestine and a large intestine. Goats have no upper teeth so they use the dental pad‚ lower teeth‚ tongue and lips to eat their food. The four compartments to the stomach are the rumen‚ the reticulum‚ the omasum‚ and the abomasums. The esophagus is what moves food from the mouth to the stomach. It opens into the stomach at the opening of the rumen and reticulum‚ which
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EXERCISE 38 Anatomy of the Digestive System General Histological Plan of the Alimentary Canal 1. The general anatomical features of the alimentary canal are listed below. Fill in the table to complete the information. Subdivisions of the layer (if applicable) Wall layer mucosa submucosa muscularis externa serosa or adventitia Major functions epithelium‚ lamina propria‚ (not applicable) secretion‚ absorption protection protection‚ vascular supply for mucosa churning‚ mixing protection
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DIGESTION Cooking vs. Digestive Processes Cooking Processes: Grilling Microwaving Frying Roasting Barbeque Boiling Steaming Poaching Digestive Processes: Ingestion Propulsion Mechanical digestion Chemical digestion Absorption Defecation Salivary Digestion SALIVARY DIGESTION Salivary Glands the salivary glands are a collection of accessory organs surrounding the mouth that secrete a fluid called saliva. Saliva consists of 99.5 % water and 0.5 % solutes. medium for dissolving
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carried out by enzymes. Mechanical digestion: Is the physical breaking down of larger food into pieces to increase its surface area (the higher the surface area‚ the higher the rate of chemical digestion. Peristalsis: the squeezing of the digestive tract that pushes food down in one direction. Bolus: the partially digested food that is swallowed after mastication. Chyme: the partially digested food mixed with the enzymes and acid in the stomach. Bile: The secretion produced by the
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ANATOMY AND PHYSIOLOGY OF THE DIGESTIVE SYSTEM The digestive system is basically a tube running through the body from the mouth to the anus. The organs of the digestive system include the oral cavity (mouth)‚ esophagus‚ stomach‚ small and large intestine and rectum. Their role is to break down food and deliver the products to the blood for dispersal to the body cells. The undigested food that remains in the tract leaves the body through the anus as feces. The break down activities that
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Disease in Digestive System Viral Gastroenteritis -is an inflammation of the lining of the stomach‚ small intestine‚ and the large intestine. Several different viruses can cause viral gastroenteritis‚ which is highly contagious and extremely common. It causes millions of cases of diarrhea each year. Anyone can get it and most people recover without any complications‚ unless they become dehydrated. Causes of Viral Gastroenteritis There are four viruses that cause Viral Gastronenteritis namely:
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Biology Summer Task Our digestive systems contain glands. These glands produce enzymes. Enzymes are catalysts. Catalysts make chemical reactions happen quicker and easier. Digestive enzymes help us to break down food easier. Our bodies make lots of different digestive enzymes. Each enzyme breaks down a particular food. When an enzyme has broken down one food molecule‚ it can then break down another molecule of the same kind. It can do this over and over again. It makes the reaction happen without
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