Question #119377
What are the observable changes take place in the brain of a 5-week old (human) embryo and a boy who is two years old.
Expert's answer
A 5-week old embryo has 5 brain vesicles: mesencephalon, metencephalon, myelencephalon, telencephalon, diencephalon.
A 2 years olb boy has a typical brain structure: there are all 5 parts of the brain. It has nervous connections and developed associatives parts.
