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.
However, the Doctorate of Physical Therapy (DPT) is now the desired degree. The DPT takes at least three years, and provides in-depth training in pharmacology, radiology, and body systems. In 2017, new graduates taking the national physical therapy licensure exam will be required to have completed a DPT.