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Across 3. a bundle of elongated axons belonging to hundreds or thousands of neurons 5. receive neural impulses from adjacent neurons 6. an inborn, unlearned preference for faces (2 words) 9. observing and recording the nature of ones own perceptions, thoughts, and feelings 10. an electrochemical impulse that travels from the cell body down to the end of the axon 11. children's understanding of moral rules and social conventions (2 words)

Down 1. when infants are busy discovering the relationships between their actions and the consequences of those actions (2 words) 2. reduces aggression by allowing children to express it vicariously (2 words) 4. an innately determined sequence of growth and change that is relatively independent of external events 7. the study of the functions of the living organism and its parts 8. studying how the mind works to enable an organism to adapt to and function in its environment