Pharmacokinetics is the analysis of how the body copes with absorption, distribution, metabolism & excretion of drugs under examination. The impacts and length of the drug's action are also considered.

The four process of pharmacokinetics are absorption, distribution, metabolism and elimination.

1) Absorption - Absorption is the motion of a drug into the blood from its administration site. Many drugs are absorbed through passive absorption, but certain drugs require transportation mediated by the carrier.

2) Distribution - Distribution is the body wide motion of drugs

3) Metabolism - It is the method of transforming a drug throughout the body and make it much more hydrophilic in order for the kidneys to secrete it from the body.

4) Elimination - Excretion is the elimination from the body of the substance. Several drugs are either excreted unchanged or emit as urine or some other form.

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3 years ago

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How does convection transfer heat from one place to another on the earth?

Viktor [21]

Thermal energy is transferred from hot places to cold places by convection. Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas. Cooler liquid or gas then takes the place of the warmer areas which have risen higher. This results in a continous circulation pattern. Water boiling in a pan is a good example of these convection currents. Another good example of convection is in the atmosphere. The earth's surface is warmed by the sun, the warm air rises and cool air moves in.

Convection is the movement of heat through gases or liquids. Heat from the sun heats the air which can account for A and D, but a lot of the Earth's heat is distributed by the ocean. Water has a high specific heat which can absorb a lot of heat in one place, and distribute it in a colder place evening out the Earth's temperatures a bit.

So, the answer would be
through the greenhouse effect
And could also be through the movement of winds and currents

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3 years ago