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 HSA catch-up contribution limit is not reduced for the year in which the individual reaches age 55 if he or she reaches age 55 after. Jan. 1. For example, an individual who is HSA-eligible for all of 2015 and who turns age 55 on Dec. 1, 2015, may make a full $1,000. catch-up contribution for 2015.