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).
In that case, you can make the full yearâs contribution, even if you didnât have an HSA-eligible policy for the entire year. Note, however, that you must continue to have an eligible policy for all of 2016 or you will have to pay taxes and a 10% penalty on the money you contributed for the months that you didnât have the policy in 2015, says Stephen Neeleman, founder of HSA administrator HealthEquity.