A Rep (repetition) is one complete motion of an exercise.
For example, if the teacher asks you to do 10 by 4 push-ups, then a "rep" would be your first 10 push-ups finished.
Neuron is the type of cell in the central nervous system
plays an important role in the uptake and processing of neurotransmitters from
synaptic clefts.
To add, a neuron is an electrically excitable cell
that processes and transmits information through electrical and chemical signals.
Book is suggesting a diet while the other is suggesting the type of diet I think they both help each other out (sorry if I’m wrong)
