In what way is a closed circulatory system more efficient than an open circulatory system? A) A closed circulatory system is a closed loop and therefore does not require a heart for pumping blood. B) An open circulatory system relies on diffusion to deliver nutrients to tissues. C) A closed circulatory system relies on hemoglobin rather than on myoglobin. D) In a closed circulatory system, blood vessels can control the delivery of O₂ to specific tissues by controlling vessel diameter. E) A closed circulatory system keeps hemolymph separate from interstitial fluid.

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In a closed circulatory system, blood vessels can control the delivery of oxygen and nutrients to specific tissues by controlling vessel diameter. This allows for more efficient and precise delivery of resources to where they are needed, as opposed to relying on diffusion in an open circulatory system.

In What Way Is a Closed Circulatory System More Efficient