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).
For 2008, the contribution limits. are: $2900 for single coverage and $5800 for. family coverage. If you enroll in an HSA based on the IRS. eligibility regulations anytime between January. 1 and December 1 of the current tax year, you. are allowed to make the full contribution.