Pre-Test
	Concept 48.1  Nervous systems consist of circuits of neurons and supporting cells
	Activity: Neuron Structure
	Concept 48.2  Ion pumps and ion channels maintain the resting potential of a neuron
	Concept 48.3  Action potentials are the signals conducted by axons
	Activity: Nerve Signals: Action Potentials
	Investigation: What Triggers Nerve Impulses?
	Concept 48.4  Neurons communicate with other cells at synapses
	Activity: Signal Transmission at a Chemical Synapse
	Concept 48.5  The vertebrate nervous system is regionally specialized
	Concept 48.6  The cerebral cortex controls voluntary movement and cognitive functions
	Concept 48.7  CNS injuries and diseases are the focus of much research
	Chapter Review
	Self-Quiz
	Activities Quiz
	Chapter Quiz

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