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Ch. 3 - Biology & Behavior

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Across
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Area of the brain that is responsible for voluntary movement and balance
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Branchlike extensions of a neuron that receives impulses and conducts them to the cell body
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White, fatty substance that insulates the axon and enables rapid transmission
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Long tube-like structure that transmits messages away from the cell body
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Brain structure that controls hunger, thirst, and the endocrine system
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Chemical messenger that carries impulses across synapses between neurons
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Brain structure that relays messages from the sense organs to the cerebral cortex
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Part of the nervous system that consists of the brain and spinal cord
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Part of the neuron that produces energy needed for activity in the cell
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Part of the peripheral nervous system that controls voluntary movement
Down
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The bumpy, convoluted surface of the brain
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Structure at the top of the brain-stem involved in respiration, movement, and sleep
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Microscopic, threadlike structure in the nucleus of every living cell
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Small fibers branching out from an axon
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The basic building blocks of heredity
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Part of the nervous system that consists of all the nerves connecting the body to the brain and spinal cord
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Gap between axon terminal of sending neuron and dendrites of receiving neuron
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Part of the peripheral nervous system that controls involuntary body functions
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Chemicals produced by the endocrine system that regulate specific body functions
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Structure at the base of the brain-stem that controls vital body functions