Our major product lines for export are patient monitors, electroencephalographs, evoked potential and electromyograph systems, electrocardiographs, defibrillators, and hematology analyzers.
Point being, there's a reason that you have to do all of internal medicine for three years and then an additional one or two years in hematology just to understand how complicated this is.
Anatomy is the study of the body's structure; physiology is the study of the body's function. Other studies of human body include cytology, embryology, histology, immunology, endocrinology, hematology, biology, psychology etc.