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).
*Note: The catch-up provision allows you to contribute an additional $1,000 to your HSA if you reach age 55 by December 31 of the plan year. Visit the Vanguard employer contribution Q&A for more details on when your Vanguard employer contribution and wellness rewards are deposited into your HSA.f you over-contribute to your HSA, you must pay income tax plus a 6% excise tax on any excess contributions and related earnings for each tax year the excess contributions remain in your HSA.