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).
You can deposit the entire amount into your HSA as long as you are 55 or older at some point during the year. Please note that you may need to prorate your annual contribution and your catch-up contribution when you enroll in Medicare on a date other than January 1.