Dr B. Boone BIO 211 Hybrid Discussion questions Chapter 17 Chapter 17 #1 Please answer the following about Gastric Juice production in the digestive system. Name the four (4) gastric cells; for each cell type give the name and function for each the chemical substance(s) it secretes. A) Mucous cells- These cells secrete mucus‚ which protects the mucosa from the action of acid and digestive enzymes. B) Parietal cells- They secrete hydrochloric acid (HC) and intrinsic factor. Intrinsic
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Questions for Critical Thinking A Good Man Is Hard to Find by Flannery O’Connor 1) What is the grandmother’s attitude toward the South as opposed to the rest of her family’s attitude‚ particularly her grandson’s? How do you account for the difference? In the short story “A Good Man is Hard to Find‚” the grandmother’s attitude toward the South is that the “old South” was better than the current South. For example‚ in paragraph 14‚ John Wesley‚ the grandson‚ states “Let’s go through Georgia
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Critical Thinking Questions Where research is involved‚ there are a number of sources available for gathering supplemental data. The best method in which to locate these materials is through the use of computer searches with the most popular and largest database being ERIC‚ which is sponsored by the U.S. Department of Education (ERIC Program‚ n.d.). The advantages of a computer search of ERIC and other databases‚ as compared to other search methods include that computerized databases tend to cover
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HUMAN ANATOMY AND PHYSIOLOGY AN INTRODUCTION TO RESPIRATION In this essay we will consider a few major aspects of respiration. We shall first consider the interesting history of the study of respiration before moving on to our modern understanding of respiration. We will look at the structure and function of the respiratory system including the upper and lower respiratory tracts with a note on the control system. Secondly we will consider the physiology of respiration. Thirdly we will discuss some
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THE ORGANISATION OF THE HUMAN BODY By Rachel Bull CELLS The organelles of cells and their function • Cell (or plasma) membrane - The plasma membrane acts as a boundary and controls what substances can enter and exit the cell. • Cytoplasm - This semi-fluid substance found inside the boundary of the cell and outside the nucleus cushions and protects the internal organelles‚ this is also where the majority of the chemical reactions happen. • Nucleus - The nucleus is the double-membraned central
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types of muscle skeletal which are voluntary‚ smooth muscle which are involuntary and cardiac muscle. Muscle is made up of protein filaments‚ myosin and actin. These filaments slide past each other to produce a contraction which changes both the length and shape of the cell. The primary function of the muscle is to produce both movement and force. Skeletal muscle is composed of bundles of muscle fibres containing myofibrils of thick and thin filaments (myosin and actin). Skeletal muscle have distinct
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BIOS256 Week 2 LAB EXERCISE Introduction to Chemical Digestion Directions: a. Click the Contents button. b. Open the Digestive System File. c. Click Animations. d. Click Introduction to Chemical Digestion. Introduction 1. Explain the function of chemical digestion. The function is to break down food‚ using enzymes and other digestive chemicals to reduce food into particle nutrients molecules that be absorbed and move it through the digestive tract. Digestive Chemicals
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Anatomy and Physiology Unit Notes Unit 1: Organization of the Human Body Key Terms: Ana - prefix that means up or back again. Physio - a prefix that means natural or physical. Ology - a suffix that means the study of something. Homeo - a prefix that means like or similar. Thoraci -a prefix that means chest. Stasis - a suffix that means the slowing of a bodily fluid. Abdomino - a prefix that means abdomen. Anatomy-the study of structure. Physiology - the study of how a structure functions
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Chapter 1 Critical Thinking and Discussion Question Describe the shifts in the world economy over the past 30 years. What are the implications of these shifts for international businesses based in Britain? North America? Hong Kong? After World War II‚ America used to be the number one leader in the world while Britain and China have less role. For the rich industrial countries like the UK‚ US‚ Denmark and New Zealand is declining of the FDI. Conversely‚ the developing countries like China
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primary functions of muscles? What are skeletal muscles made of? Five Skeletal Muscle Functions 1.Produce movement of the skeleton •By pulling on tendons that then move bones 2.Maintain posture and body position 3.Support soft tissues •With the muscles of the abdominal wall and the pelvic floor 4.Guard entrances and exits •In the form of sphincters 5.Maintain body temperature •When contraction occurs‚ energy is used and converted to heat Skeletal muscles are organs Made of: •Connective
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