The Movement of Some Molecules and Ions Out of Excretory

question 74

Multiple Choice

The movement of some molecules and ions out of excretory system tubules and back into body fluids is called ____.

• A) reabsorption
• B) excretion
• C) filtration
• D) secretion
• E) diffusion

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, representing the increment in tax paid for an increment in income.

City Wage Tax

A local tax imposed on individuals who work in a city, calculated as a percentage of their wages or salaries.

Proportional

Describes a relationship where changes in one variable cause changes in another variable at a constant ratio or rate.

Average Tax Rate

The ratio of total taxes paid to total income, representing the overall percentage of income that is taken by taxes.