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.
For individuals and smaller groups, scheduled courses are offered at various HSE locations and times. Larger corporate clients can choose the courses that best fit their needs and design a customized two to five day program for their staff. Our Complete Safety Training Programs can incorporate clientsâ specific policies and procedures, and may be offered on site as required.