A motor neuron in the arm has an axon that branches to innervate several muscle groups and cause them to contract all at once. This branching is an example of ________.
Fill in the blank(s) with the appropriate word(s).
divergence
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Exocrine secretions are discharged onto some external or internal body surface through a
A) flagellum. B) cilium. C) plasma membrane. D) duct. E) microvillus.
In reuptake
A) a neuropeptide breaks down into amino acids, which act as neurotransmitters. B) an action potential reverses direction. C) a neurotransmitter that has already been released into the synaptic cleft is taken back into the synaptic knob of the presynaptic neuron or into nearby neuroglia or neurons. D) an enzyme breaks down a neurotransmitter and then another enzyme builds it back up.
Soremouth scabs can be scrubbed using _________________ to clear up the infection
Fill in the blank(s) with correct word
The urinary system does all of the following, except that it
A. regulates blood volume. B. regulates plasma concentrations of electrolytes. C. eliminates organic waste products. D. excretes excess albumen molecules. E. contributes to stabilizing blood pH.