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12 Cards in this Set
- Front
- Back
West Nile fever and Japanese encephalitis are examples of diseases caused by _______.
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arboviruses
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An average human brain weighs _____
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3 pounds
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Even though the brain makes up only ___ percent of the body weight, it uses _____ percent of the body’s energy supply
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2, 20
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Research has demonstrated that the __________ is the processing center in the brain for short-term memory
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hippocampus
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Nerve cells are operated by a combination of electrical currents and ___________ transmitters.
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chemical
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Axons release _________ across the cleft of synapses, after receiving electrical signals from nerves.
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neurotransmitters
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These basic functions of nerves have remained essentially unchanged for ________ million years.
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500
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During most of their adult life, __________ workers perform many duties in the hives, however, in the last two weeks of their life, all individuals transform into foragers.
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honey bee
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________ are small mammals of the mongoose family, and are highly social animals, forming groups as large as 40 individuals.
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Meerkats
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Humans live in a ____________ society that has frequent changes in alliances, both between individuals and between groups
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fission-fusion
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In humans, _______ is a powerful way to attract a mating partner through the demonstration of intelligence, wit, and eloquence.
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language
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A brain’s complexity results mainly from the types and numbers of _________ that each nerve cell has with other nerve cells.
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connections
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