Which Statement About Open Circulatory Systems Is False

question 154

Multiple Choice

Which statement about open circulatory systems is false?

• A) A pump is usually present.
• B) In arthropods, blood is pumped out of openings in the heart called ostia.
• C) The hemolymph is part of the extracellular fluid.
• D) Interstitial fluid bathes the tissues directly.
• E) They are found in mollusks and arthropods.

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Definitions:

Production Decision

The determination made by a firm regarding the quantity of goods or services to be produced, based on factors like cost of production, market demand, and competition.

Output Effect

The impact on the total production/output of a firm or economy as a result of changing price levels, often referring to the relationship between price changes and quantity supplied.

Price Effect

The impact on consumer demand and supply resulting from changes in the price of goods or services.

Profit-Maximizing Decision

A profit-maximizing decision is a strategic choice made by businesses to ensure the greatest financial return against costs, optimizing profitability.