Human skin color is determined by the interaction of melanin, carotene and hemoglobin. Storage of water, fat, glucose and vitamin D is also a function of the integumentary system, according to the AAD.
1 ExcelTest HSPT Courses offer an intensive program with 12 classes of 3 hours each over 4 - 5 weeks. 2  ExcelTest Courses offer unique and extremely effective strategies not taught anywhere else, by highly experienced, dynamic instructors.
Candidates for ABPTS certification must be licensed physical therapists with at least 2,000 hours of practice in their chosen specialties. Applicants then need to pass a 200-question specialist certification exam, which measures the knowledge and skills of physical therapists in relation to their specialties.