ingested‚ poultry may also swallow small rocks. These rocks aid in the grinding of harder feed particles in the gizzard. Feed passes from the gizzard into the small intestine‚ where additional enzymes are added and digestion occurs. The small intestine also serves to absorb digestion products (proteins‚ carbohydrates‚ and fats). You should notice in the photo above that the first part of the small intestine loops around the pancreas (called the duodenal loop). The pancreas secretes digestive enzymes
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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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is that it mixes the chyme with the digestive juices and brings food into contact with mucosa for absorption and then propels the chyme through the intestine. The second function is that it completes the digestion of carbohydrates‚ lipids‚ and proteins. It also begins and completes the digestion of nucleic acid. The third function is that it absorbs 90 percent of nutriends that pass through the digestive tract. There are many types of tissues that are found in the small intestine. The main tissues
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Chapter 1: What is Nutrition? What Drives Our Food Choices? We Need to Eat and Drink to Live Nutrients: compounds in foods that sustain your body processes. There are 6 classes of nutrients: carbs‚ fats (lipids)‚ proteins‚ vitamins‚ minerals and water 3 of 6 classes of nutrients: carbohydrates‚ fats‚ protein- provide energy in the form of kilocalories 2 of 6 classes of nutrients: vitamins and minerals‚ help regulate many body processes‚ including metabolism 1 of 6 class of nutrients- water
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weight with certain pills. One of these pills is called carb cutter. Carb Cutter claims to inhibit the activity of the starch-digesting enzyme‚ amylase. When the diet pill binds to the amylase‚ it prevents the breakdown of starch. In the Biology 1103 lab‚ we conducted two experiments to determine whether or not the diet pill‚ Carb Cutter‚ actually worked. In each experiment we used an experiment tube and a control (blank) tube. The purpose of a blank is to set a base level (zero) from which other measurements
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-12:15 PM Room 113 MRB (CRN 10304)--Cole Lecture Section 001: Tuesday/Thursday 1:00-2:15 PM Room G24 EIE (CRN 10305)--Cole Lab Section 002: Wednesday 10:30 – 11:20 AM Room 421 ARM (CRN 14335)— Cole Lab Section 003: Wednesday 11:30 AM – 12:20 PM Room 421 ARM (CRN 14336)— Cole Lab Section 004: Wednesday 12:30 – 1:20 PM Room 421 ARM (CRN 14337)— Cole Lab Section 005: Wednesday 1:30 – 2:20 PM Room 421 ARM (CRN 14338)—Cole Important Things You Should Know About This Course: 1
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big difference. The weight of the intestines in large dogs makes up about 3% of their entire body weight‚ while the weight of the intestines in smaller dogs is about 7% of their body. This creates an issue because there is less intestinal area for digestion and the absorption
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Exam 3 Study Guide Digestive System Differentiate digestion from metabolism Identify the organs of the alimentary canal in order from the mouth to the anus Mouth Know the 8 anatomical parts Processes – mastication‚ swallowing ‚ taste Pharynx Identify the naso-‚ oro- and laryngopharynx and classify these regions with respect to passage of food and/or air through them Longitudinal & circular muscle layer - peristalsis For the alimentary canal from esophagus to large intestine:
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To work safely during practical work‚ I made sure I followed each of the following rules. 1. Do not bring non-essential materials into the lab. Keep bags and coats outside of the lab as it could get in the way‚ and cause injury. 2. No food or drink is allowed in the lab at any time. We will be working with some fairly nasty chemicals and some exercises involve bacteria. It can be dangerous if the chemicals r ingested. 3. The eyes are particularly
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* Cross-Sectional Studies – Observe what people eat * Case-Control Study – Comparing someone with a disease to someone without it * Cohort – Analyze data collected over time * Experimental Studies * Animal Studies * Lab-Based/In-Vitro Studies – Explore effects of a variable on a tissue‚ cell‚ or molecule * Human Intervention Trials – People adapt to new behaviors and are studied * Most Trustworthy Studies * Real People * Real World *
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