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pH = - (
pH = - (

... the concentration of CO2 in the blood increases. This shifts the equation to the right and results in an increase in the acidity of blood (lower pH). In Part (b), during hyperventilation the concentration of CO2 in the blood decreases. This shifts the carbon dioxide-bicarbonate equation to the left, ...
Digestive Enzymes and their Action
Digestive Enzymes and their Action

... stomach produce a liquid mixture called chyme . This is released in portions through the pyloric valve into the duodenum , the first 12 inches of the upper intestinal tract . Pancreatic Juice The pancreatic juice furnishes several zymogenes and enzymes . As soon as the chyme appears in the duodenum ...
Document
Document

... • Other factors that predispose to ulcers include (1)smoking presumably because of increased nervous stimulation of the stomach secretory glands; (2) Alcohol because it tends to break down the mucosal barrier (3) aspirin and other non-steroidal anti-inflammatory drugs that also have a strong tendenc ...
Chapter x – title of chapter
Chapter x – title of chapter

... Bile acids are conjugated with amino acids, _____ and _____, to make them more useful in forming micelles. Key: glycine, taurine ...
Lecture 25 Notes
Lecture 25 Notes

... Brønsted-Lowry acids and bases A Brønsted-Lowry acid is any substance that is able to give hydrogen ions (H+) to another molecule or ion ...
Stomach Problems: Medicines for Ulcers and GERD
Stomach Problems: Medicines for Ulcers and GERD

... medicines. Tell your doctor if you are using other medicines. These medicines are often combined with antibiotics to treat peptic ulcers caused by the bacteria H. pylori. Prostaglandin analogs How they work: Prostaglandin analogs reduce how much acid the stomach makes. They also help protect the lin ...
Want better health? Improve your digestion! – Jul/Aug 2002
Want better health? Improve your digestion! – Jul/Aug 2002

... or lactose intolerance, charactertissues actually receive. This ized by abdominal pain, bloatprocess consists of six separate ing, flatulence, and diarrhea. and distinct stages: diet, digesOverburdened enzyme suption, absorption, circulation, plies: Over-indulgence in the assimilation, and eliminati ...
salivary secretion
salivary secretion

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Digestion - UBC Zoology
Digestion - UBC Zoology

... Breakdown of food molecules for absorption into circulation Mechanical: Breaks large food particles to small  Chemical: Breaking of covalent bonds by digestive enzymes ...
You will be able to identify the structures of the digestive system.
You will be able to identify the structures of the digestive system.

... and lipase ...
OCR Gateway Science
OCR Gateway Science

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Gastric Secretion
Gastric Secretion

... 1. allows the stomach to serve as reservoir 2. breaks food to small particles and mix it with gastric juice 3. empties gastric contents at a controlled rate ...
presentation
presentation

... Nutrition in GVC animals • One entry/exit to chamber • Convoluted edge/lobes to maximize surface area • Specialized cells in gastrodermis secrete digestive enzymes into sealed GVC • Cilia or movement of animal stirs mixture of food particles with enzymes • Digested products absorbed by gastrodermi ...
How Does The Digestive System Work?
How Does The Digestive System Work?

... In the problem of low hydrochloric acid, Tums, etc. should not be used. The problem is a lack of hydrochloric acid. An ant-acid lowers the hydrochloric acid even further. It will help lower bad acids, but it will also lower your hydrochloric acid. It is just symptomatic. It is now working against th ...
Digestion
Digestion

... Now it is known most ulcers are caused by Helicobacter pyloris. ...
Heartburn and Peptic Ulcer - Chinese Community Health Resource
Heartburn and Peptic Ulcer - Chinese Community Health Resource

... mixed with digestive juices produced by stomach cells. The digestive juices are made up of acid that is as strong as the battery acid in a car! By the time food leaves the stomach, it is already turned into a thin liquid. The liquid moves into the small intestine where the digestive process is compl ...
Mammals Unit SLO
Mammals Unit SLO

... Describe how food and oxygen are delivered to the cells and waste (e.g. carbon dioxide) is removed by the circulation of blood Describe how the capillaries have very thin wall to allow molecules to diffuse (pass through) across into the cells or from the cells into the blood Describe how energy in f ...
Review/Study Guide
Review/Study Guide

... Describe the function of the stomach including the roles that pepsin and hydrochloric acid play. How are the digestive problems of heartburn and gastric ulcers particularly related to the stomach? • The functions of the stomach are to continue the breakdown of food, to store food, to mix together t ...
Vertebrate digestion note
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... Muscular  contractions  are  slower  than  in  the  small  intestine,  which  is  good  for  absorption  of  water.   About  30  minutes  between  contractions,  compared  to  9‐12  minutes  for  the  small  intestine.    Massive  contractions occur about 2‐4 times per day (after meals).  These move ...
Gastrointestinal Function
Gastrointestinal Function

... should be high quality with nutrients available to supply your body with the substrates it needs. Your GI tract also houses 70% of your body’s immune system. It is the immune system’s first line of defense against infection or other foreign substances. The acid in your stomach provides an important ...
Digestive System Gallery - Lab
Digestive System Gallery - Lab

... Put the ball in the ‘mouth’ opening and squeeze it to the ‘stomach’ opening. Was it easier or harder to go upside-down than rightside-up? Why? ____________________________________ _____________________________________________________________________________ 2. pH of the digestive system • pH is a sc ...
C=C--C--C =C--C--C=C
C=C--C--C =C--C--C=C

... FAT-Free = “all you can eat” Sales of reduced fat food were projected to rise to 32 billion by year 2001 When fat is removed, sugar is added in its place Fat free = Calorie free Calorie content is still similar to full-fat version Eat reduced fat foods in moderation ...
Review: The preparation of Hydantoins
Review: The preparation of Hydantoins

... 3-phenyl-hydantoins finally, can be obtained by the action of phenyl isocyanate to alkaline aqueous solutions of α-amino acids and boiling the terminal phenylated-hydantoic acid with strong hydrochloric acid instead of the free amino acids, which may be that their more accessible hydrochlorides are ...
Biol 155 Human Physiology - University of British Columbia
Biol 155 Human Physiology - University of British Columbia

... Mixing: Segmental contraction that occurs in small intestine Secretion: Lubricate, liquefy, digest Digestion: Mechanical and chemical Absorption: Movement from tract into circulation or lymph Elimination: Waste products removed from body ...
Chemistry of CHLORINE
Chemistry of CHLORINE

... Chlorine is a non-metallic element in group VII (Group 17) of the periodic table. It has electronic configuration 2:8:7. It gains one valence election to form stable Cl-ion, it belongs to the chemical family of halogens. Occurrence -As Brine-concentration sodium chloride solution dissolved in salty ...
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Hydrochloric acid



Hydrochloric acid is a clear, colorless, highly pungent solution of hydrogen chloride (HCl) in water. It is a highly corrosive, strong mineral acid with many industrial uses. Hydrochloric acid is found naturally in gastric acid.It was historically called acidum salis, muriatic acid, and spirits of salt because it was produced from rock salt and green vitriol (by Basilius Valentinus in the 15th century) and later from the chemically similar substances common salt and sulfuric acid (by Johann Rudolph Glauber in the 17th century). Free hydrochloric acid was first formally described in the 16th century by Libavius. Later, it was used by chemists such as Glauber, Priestley, and Davy in their scientific research.With major production starting in the Industrial Revolution, hydrochloric acid is used in the chemical industry as a chemical reagent in the large-scale production of vinyl chloride for PVC plastic, and MDI/TDI for polyurethane. It has numerous smaller-scale applications, including household cleaning, production of gelatin and other food additives, descaling, and leather processing. About 20 million tonnes of hydrochloric acid are produced worldwide annually.
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