The effects of neurotransmitters tend to be whereas the effects of hormones tend to be

The effect of the neurotransmitters tends to be fast, as in a case of external stimuli, which leads to a quick reaction of the body, towards that stimulus.
The effect of a hormone, however, is long-lasting, where hormones actually are working on the metabolic or structural situations, which are going to have a long-lasting effect on the body. 

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C). low