Drew has musically talented grandparents and great-grandparents. in addition to having musical genes, drew is raised in a musically enriched environment. he develops into a talented composer. which branch of psychology would explain this interaction between genetics and environment?

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

the median of the data is 4.5.