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30 Cards in this Set
- Front
- Back
Oxygen
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65% used in energy release from glucose molecules
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Carbon
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18.5% CO2- waste product that results from metabolism, reacts with water to form carbonic acid
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Hydrogen
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9.5% H2O- major component of body fluids; medium in which most biochemical reactions occur
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Nitrogen
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3.2% In protein In Nucleic Acids
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Calcium
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1.5% Structure of bones and teeth; nerve impulse conduction; muscle fiber contraction and blood cogulatioin; activates certain enzymes
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Phosphorous
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1% Stucture of bones and teeth; metabolic reactions ; constituent of neucleic acids, proteins, enzymes, and vitamins
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How much of the body is made up of Water?
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75%
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How much of protein is water?
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20%
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How much of lipids is water?
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2%
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How much of Carbohydrates is water?
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2%
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How much of Inorganic Salts is water?
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1%
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How much of red blood cells is water?
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60%
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How much of muscle tissue is water?
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75%
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How much of blood plasma is water?
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92%
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It you are moving left on the pH scale...
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Hydrogen (H) is increasing
Hydroxide (OH) is decreasing |
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If you are moving right on the pH scale...
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Hydrogen (H) is decreasing
Hydroxide (OH) is increasing |
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Gastric Juice
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1.2 - 3.0
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Urine
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5.0 - 7.8
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Saliva
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6.35 - 6.85
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Blood
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7.35 - 7.45
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Semen
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7.35 - 7.50
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Cerebrospinal fluid
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7.4
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Pancreatic Juice
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7.1 - 8.6
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Bile
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7.6 - 8.6
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Metabolism
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all the chemical reactions that occur within the body
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Synthesis (Anabolism)
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two or more atoms bond to form A more complex structure; requires energy
Glucose + Glucose = Maltose |
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Decomposition (catabolism)
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When bonds within a moledule break so that simplier atoms/ molecules form, releases energy
starch = glucose + fatty acids occurs when foods are digested |
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Exchange Reaction (single/double replacements)
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Parts of 2 different types of molecules trade positions
Acid + Base = Salt + Water |
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Reversible Reaction
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The end products of the reaction can change back to the reactants
ATP = Adenosine Tri Phosphate |
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In a 2000 calorie diet....
Total fat Sat Fat Carbohydrates Protein |
less than 65g 29%
less than 20g 9% less than 300g 60% less that 54g 11% |