Two Principles About Neurons Were Defined by Ramón Y Cajal

Two principles about neurons were defined by Ramón y Cajal.The principle of connectional specificity states that ________,whereas the principle of dynamic polarization states that ________.

A) neural circuits are made of a continuous cytoplasm / the input and output of a neuron are handled by the same specialized part
B) neural circuits are made of a continuous cytoplasm / the input and output of a neuron are handled by different specialized parts
C) neural circuits are made of distinct cells / the input and output of a neuron are handled by the same specialized part
D) neural circuits are made of distinct cells / the input and output of a neuron are handled by different specialized parts