Examlex
Two indirect energy sources for muscle contraction are ____________________ and ____________________.
Efficiency
The ratio of the output generated to the input used, expressing the effectiveness of a system or process in utilizing resources.
Break Even
The point at which total revenues equal total costs, resulting in no profit or loss.
Variable Costs
Costs that change in direct proportion to the level of production or business activity.
Profit
The financial gain or return derived from an investment, transaction, or operation after subtracting all costs, expenses, and taxes.
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