Author Question: During the prenatal period, the neural tube __________. A) forms to become the circulatory and ... (Read 42 times)

lbcchick · **on:** Jun 22, 2018

During the prenatal period, the neural tube __________.

A) forms to become the circulatory and nervous systems
B) produces a few neurons and an abundance of myelins
C) produces far more neurons than the brain will ever need
D) commits all of its neurons to form the major parts of the brain

Question 2

Neurons send messages to one another by releasing chemicals called __________.

A) positron emissions
B) neurotransmitters
C) glial cells
D) myelins