The auditory system changes a wide range of weak mechanical signals into a complex series of electrical signals in the central nervous system. Sound is a series of pressure changes in the air.
Itâs Not Too Late to Maximize Your 2016 HSA Contributions: Contribute Until April 17, 2017. One of the big pros of enrolling in a high-deductible health plan is that it is paired with a Health Savings Account (HSA).
1 Employer contributions belong to you and are not taxable. 2  Pretax contributions, through payroll deduction, can be changed at any time. 3  Post-tax contributions are an âabove-the-lineâ deduction.  Contributions can be made up to the date tax returns are 1  due. Using your HSA is easy. Letâs start by talking about contributions.