2026 Bluebook™ Standardized
Institutional Audit: Feb 2026

Digital SAT Practice Test: Inferences (Set 3)

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Set 3: Inferences

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PASSAGEScience

Octopuses have three hearts. Two hearts pump blood to the gills, while the third pumps it to the rest of the body. Interestingly, the heart that delivers blood to the body stops beating when the octopus swims, which is why these animals prefer crawling—swimming exhausts them quickly.

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What can be inferred about octopus locomotion?