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).
This contribution can be made until the HSA contribution deadline, which is generally April 15, of the following year. Complicated Rules Call for Expert Advice. After you reach age 65, your HSA continues to offer big tax benefits, including some expanded possibilities for tax- and penalty-free distributions.