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Chapter 6
Chapter 6 Key Terms & Concepts
16
Criminology
12th Grade
06/30/2011

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Term
Absorption
Definition
Passage of alcohol across the wall of the stomach and small intestine into the bloodstream.
Term
Acid
Definition
A compound capable of donating a hydrogen ion(H+) to another compound.
Term
Alveoli
Definition
Small sacs in the lungs through whose walls air and other gases are exchanged between the breath and the blood.
Term
Anticoagulant
Definition
A substance that prevents coagulation of clotting of blood.
Term
Artery
Definition
A blood vessel that carries blood away from the heart.
Term
Base
Definition
A compound capable of accepting a hydrogen ion(H+).
Term
Capillary
Definition
A tiny blood vessel that receives blood from arteries and carries it to veins, and across whose walls exchange of materials between the blood and the tissues takes place.
Term
Catalyst
Definition
A substance that accelerates the rate of a chemical reaction but is not itself permanently changed by the reaction.
Term
Excretion
Definition
Elimination of alcohol from the body in an unchanged state; alcohol is normally excreted in breath and urine.
Term
Fuel Cell Detector
Definition
A detector in which a chemical reaction involving alcohol produces electricity.
Term
Metabolism
Definition
The transformation of a chemical in the body to other chemicals to facilitate its elimination from the body.
Term
Oxidation
Definition
The combination of oxygen with other substances to produce new products.
Term
pH Scale
Definition
A scale used to express the basicity or acidity of a substance. A pH of 7 is neutral; lower values are acidic and higher values are basic.
Term
Preservative
Definition
A substance that stops the growth of microorganisms in blood.
Term
Toxicologist
Definition
An individual whose job is to detect and identify drugs and poisons in body fluids, tissues, and organs.
Term
Vein
Definition
A blood vessel that carries blood toward the heart.
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