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 can I contribute to an HSA in 2018? Can my wife also contribute to an HSA, or am I the only one who can make the contribution because the HSA is through my work? A Because your HSA-eligible policy covers your family, youâll be able to contribute up to $6,900 to an HSA in 2018.