Dr.Alvarez studies how the degeneration of nerve cells in the brain might contribute to the development of multiple sclerosis.Dr.Alvarez's work best exemplifies the ________ subfield of psychology.

A) cognitive
B) experimental
C) developmental
D) biological

Nerve Cells

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Biological Subfield

A branch of science that studies the biological processes and aspects of living organisms, often within a particular area like genetics or neuroscience.

Multiple Sclerosis

A chronic autoimmune disease affecting the central nervous system, characterized by damage to the myelin sheath, leading to impaired nerve function.