Select the correct answer from each drop-down menu, A neuron has three basic parts: the dendrites, the cell body, and the axons. Some neurons have a fatty layer covering called
around their axons. This layer isn't continuous, and the gaps are called
The action potential
Jumps through these gaps to
the transmission

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?