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.
PFPL583 and the CRPSÂ® curriculum are worth 3 graduate semester credit hours and up to 28 hours of continuing education credit with some organizations. Students typically complete their studies within 9-11 weeks, although your completion time may be faster or slower than the duration cited.