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).
If you had an HSA-eligible policy for only the first few months of the year, the size of your HSA contribution is based on the number of months you had the eligible coverage. If you had the policy from January through April, for example, you can contribute one-third of the full yearâs contribution.