Human Digestion SCI/241 Human Digestion The beginning of the digestive process starts with the smell and sight of food which activate the salivary glands. The mouth is the point at which food enters the digestive tract and continues the digestive process by chewing food. The food is then broken down into pieces and moistened by salivary glands which turn food into a bolus. The bolus goes down the pharynx into the esophagus which connects the pharynx to the stomach. The stomach is an organ
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Nova Program: Becoming Human Part III. Watch the program at the following link: http://video.pbs.org/video/1327194805Complete the worksheet below. How many millions of years ago did humans diverge from apes? 6 million years ago As recently as 50‚000 years ago‚ there were _4_ different kinds of humans. What species of Homo migrated out and populated the Middle East? _Homo erectus _ What species of Homo migrated out and populated Europe? _Homo neanderthalensis_ List major physical differences
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Week 2 Checkpoint Michael Rasmussen HSM 210 May 23‚ 2013 Lisa L. Dale Week 2 Checkpoint In order to meet the needs for better services for the demographic of individuals with developmental disabilities the Division of Developmental Disabilities (DDD) was formed in 1959. When deinstitutionalization and decentralization became a rising trend in the 1950’s‚ the families of the disabled became strong advocates for community-based alternatives to institutional care. Medicaid provides coverage
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Human Digestion Summary SCI 241 August 8‚ 2013 Human Digestion Summary We all love to eat. I remember my parents used to tell me that in order for my food to digest properly‚ I would have to chew it one hundred times on both side to make it small as possible. They said that if the food was smaller it could digest quicker and easier. But most people do not know what happens to their food after they have chewed it up and swallowed it. Some may think that right after the food is swallowed‚ it
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Liliia Karakai HSC 149 91 Allison Tsatsa Due 02/12/2015 Checkpoint questions Chapter 2 1. Define atom Atom is the smallest stable units of matter 2. Atoms of the same element that have different numbers of neutrons are called _______. isotopes 3. How is that possible for two samples of hydrogen to contain the same number of atoms‚ yet have different weights? Exactly two atoms of hydrogen combine with one atom of oxygen. But individual atoms
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Human Digestion Summary Nicole Koch SCI/241 August 1‚ 2012 Bruce Elliott Human Digestion Summary The digestive system provides two main functions‚ absorption and digestion. The main part of the digestive system is the gastrointestinal tract also referred to as the GI tract. This runs all the way from the mouth to the anus‚ about thirty feet long. The GI tract is made up of the mouth‚ pharynx‚ esophagus‚ stomach‚ small intestine‚ large intestine and anus. The transit time is the amount
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Personality is the combination of a person’s characteristics and actions which makes a person unique. A personality trait describes the things you do or how you act‚ such as being adventurous or honest and is important when describing a person’s personality. Asking someone questions to find their personality traits can show you what type of person they are but personality development theories are important because they try to explain what influences people during socialization. There are many theories
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Chapter 10 Digestion and Nutrition Multiple Choice Questions 1. Plankton is a. Any organic debris in the ocean B. Plant and animal microorganisms drifting in the ocean c. A group of filter-feeding microorganisms d. Oceanic bacteria e. Seaweed 2. Examples of a suspension feeder and a deposit feeder would be‚ respectively‚ a. Clams and fish B. Polychaete annelid and earthworms c. Earthworms and rotifers d. Basking sharks and rotifers e. Earthworms and clams 3. The evolution
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2 Print Form R E V I E W S H E E T NAME ____________________________________ 29 Jan 2014 EXERCISE LAB TIME/DATE _______________________ 1. Use the key below to indicate the body systems that perform the following functions for the body. Then‚ circle the organ systems (in the key) that are present in all subdivisions of the ventral body cavity. Key: a. b. c. cardiovascular digestive endocrine d. e. f. k g. h. i. nervous reproductive respiratory
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metabolized in the body! Digestion is the chemical breakdown of food molecules into smaller molecules that can be used by various cells within the body. The breakdown is initiated when food is ingested in the mouth and specific enzymes are exposed to components within the food molecules. Digestion begins in the mouth with mastication‚ or chewing‚ performed by the teeth. The purpose of chewing is to grant the food more exposure to enzymes‚ therefore allowing chemical digestion to occur faster. The presence
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