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).
Catch-up Contributions. If you are 55 or older, you can make âcatch-upâ contributions, meaning you can deposit an additional $1,000 per year. If your spouse is also 55 or older, he or she may establish a separate HSA and make a âcatch-upâ contribution to that account.Mid-Year Qualification.hen you enroll in a high-deductible health plan and open an HSA before the first day of December, you can contribute the total allowable amount for that year. To take advantage of the tax savings, however, you must: 1  Stay enrolled in a qualifying high-deductible health plan for the following 12 months.