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).
The maximum annual contribution you can make to your HSA is: An individual or family enrolled in a high-deductible health plan (HDHP) effective January 1, 2015, will be eligible to make a full HSA contribution for the year, without any restrictions.