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).
Higher HSA Contribution Limits. In 2013, you can only contribute up to $3,250 for an individual HSA. Next year, you can deposit up to $3,300. For a family HSA, the maximum contribution is increasing from $6,450 this year to $6,550 next year.