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There are two basic types of synapses between neurons. For one type, the two neurons touch and are called ______________ synapses. For the other, there is a space between neurons, and these are called __________ synapses.

Which of the following best describes what happens once an action potential is created and starts down an axon?

A unique cell of the nervous system that can send signals is called a(n)

Which neurotransmitter is at the synapse between a neuron and a muscle (the neuromuscular junction)?

Eldon has a 1380 square foot garden. On Saturday he weeds of it. How many square feet did he weed?

Simplify. 107 – 4( – 2)2

÷ 2

Divide and simplify the answer to lowest terms. Write the answer as a fraction or whole number. ÷

Subtract. Write the answer as a fraction in lowest terms or as a whole number. –

René Descartes was a proponent of