A Circulatory System's Sophistication

question 70

Multiple Choice

A circulatory system's sophistication

• A) is often correlated with a species' need for gas transport.
• B) is often correlated with a species' need for food transport.
• C) is not correlated with any metabolic functions.
• D) varies depending on the current environment conditions an organism lives in.
• E) depends on the amount of CO₂ in the lungs.

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