By 1850 Disease and Guns Introduced by Whites Had Combined

question 16

Multiple Choice

By 1850 disease and guns introduced by whites had combined to reduce the Indian population north of the Rio Grande to what level?

• A)1/2 million
• B)1 million
• C)2 1/2 million
• D)5 million
• E)10 million

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Definitions:

Synapses

The junctions between neurons where electrical or chemical signals are transmitted.

Synaptic Cleft

The small gap at the synapse through which neurotransmitters carry neural signals between neurons.

Terminal Buttons

The small knobs at the end of an axon that release chemicals called neurotransmitters into the synapse to transmit a neural message to another neuron.

Synapses

are the junctions between neurons in the brain, allowing for the transmission of electrical or chemical signals from one neuron to another.