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Although anyone can become intoxicated while drinking, the alcoholic is less likely to recognize the signs and control his or her intake. Intoxication is produced by alcohol as it circulates in the blood and acts to depress the central nervous system (see depressant). Alcohol can pass directly into the bloodstream. The absorption rate depends principally on the concentration of the drug in the stomach and small intestine. This concentration is limited by the presence of alcohol dehydrogenase. Because women normally carry less alcohol dehydrogenase in their intestines, they usually consume less alcohol than men before showing its effects. Alcohol is not stored in the body or excreted but is metabolized in the liver at a fixed rate of between 0.25 and 0.33 oz (7.1-9.4 grams) per hour, varying with the individual. Thus alcohol is found in the bloodstream and signs of intoxication appear when the rate of alcohol consumption is greater than the rate at which it is metabolized in the liver. At a blood level of about .05%, alcohol impairs concentration, visual function, psychomotor performance, and reaction time. For many years the legal standard for drunkenness in most states was a blood alcohol level of .10%, but in many states it now is .08%. The lethal level, often given as .60%, may be as low as .40% in some people. Blood alcohol concentrations are measured by breath (the Breathalyzer test), blood, or urine tests.
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What are the good and bad effects of physical chemical changes?
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What is the positive effects of physical and chemical changes?
Physical changes can include changes in shape, size, or state of matter, while chemical changes involve the formation of new substances. Positive effects of physical changes can include improving properties like durability or appearance, while positive effects of chemical changes can lead to the creation of new materials with enhanced characteristics or functionalities. Overall, both types of changes can contribute to advancements in technology, industry, and scientific research.
What are the harmful effects of physical changes?
There are many harmful effects of physical change. Some of these things mean that the items no longer fit where the need to.
What are the good effects of physical change and chemical change?
Physical changes can include changes in size, shape, or state, while chemical changes involve the formation of new substances. Good effects of physical changes can include creating new materials like paper from wood pulp, while good effects of chemical changes include producing new medicines through chemical reactions. Both types of changes can be used to create new products and materials for various applications.
How do you distinguish between heat and mechanical effects?
Heat effects involve the transfer of thermal energy leading to changes in temperature, while mechanical effects involve the application of forces leading to changes in shape or movement of objects. Heat effects typically result in temperature changes without physical displacement, while mechanical effects involve physical displacement or deformation of objects due to the application of forces.
What are the effects of physical and chemical changes of matter?
It can form a new substance that can help us..
Are physical changes temporary?
Physical changes can be temporary or permanent, depending on the nature of the change. Temporary changes, such as a sunburn or the effects of exercise, typically reverse over time. However, permanent physical changes, like scars or aging, may not revert back to their previous state.
What can you do to counteract the negative effects of physical changes in nature?
Build groins and seawalls is one example of what you can do.
What are some good effects of physical change?
Some good effects of physical changes: Material or substance remains unchanged, Castings, Sculptures, Shaping of metals, Shaping of stones for building, Polishing of metals and stones.
What were the effects of playing basketball to physical and mental heatlh?
The effects of playing basketball or engaging in any physical activity has positive changes in physical and mental health. Physical activity has been proven to combat depression and keeps the human body healthy and strong.
How do distinguish between heat and mechanical effects?
Heat effects involve transfer of thermal energy leading to changes in temperature, while mechanical effects involve physical forces or movements causing changes in shape or position of objects. Heat effects can lead to expansion or contraction of materials due to thermal energy, while mechanical effects result in physical deformations or displacements caused by applied forces.
Are state changes chemical or physical changes?
Physical Changes
