The gray matter of a human brain is made up mostly of neurons' __________,while the white matter of that same brain is made up mostly of neurons' __________.
A) cell bodies; axons.
B) dendrites; synapses.
C). neurotransmitters; myelin sheaths
D) synaptic vesicles; post-synapses.

Question

Quizplus · Accepted Answer

The gray matter of the brain consists mostly of the cell bodies and dendrites of neurons, while the white matter consists mostly of the axons, which are covered in myelin sheaths.

The Gray Matter of a Human Brain Is Made Up