The developmental anatomy research project? a) A series of ultrasound images documenting changes in the length of the femur over the course of fetal developmental B) a study investigating cognitive function and emotional state before, during, and the exposure to thc, the psychoactive ingredient in marijuana
C) an ultrasound study documenting the flow of blood through the heart of a newborn baby
D) a study investigating changes in the brainwave patters( as recorded by electroencephalogram, EEG) of children as they enter in anesthetized state in preparation for tonsillectomy