Introduction to psychology

After successfully running from the large, snarling, drooling grizzly bear that was running directly toward you, you pause to catch your breath and collect your wits. The physical symptoms you now experience are controlled by the

	sympathetic nervous system
	parasympathetic nervous system
	central nervous system
	neurotransmitter acetylcholine

	chemical; electrical
	acetylcholine; catecholamine
	dendrite; axon
	electrical; chemical

	amounts of DNA and RNA.
	types of neurotransmitters on either side of the nerve cell membrane.
	types of neurons inside and outside the nerve cell membrane.
	concentrations of ions on either side of the nerve cell membrane.