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).
How Much You Can Put in Your HSA. Maximum Contributions. If you had an HSA qualified plan as of December 1st of 2007, you have until April 15th to contribute the maximum to your Health Savings Account of $2850 for single coverage or $5650 for family coverage unless you are over age 55 (see below). In 2008, those maximums change to $2900 and $5800 respectively.