Some muscles (skeletal muscles) will not contract unless stimulated by neurons; other muscles (smooth & cardiac) will contract without nervous stimulation but their contraction can be influenced by the nervous system. Thus, the nervous and muscle systems are closely interconnected.
A Roth IRA is an individual retirement plan that is subject to rules that would apply to a traditional IRA, but with some exceptions [source: IRS ]. Contributions are not tax deductible and qualified distributions are tax free. Here are some of the things you must consider when setting up a Roth IRA account:1  The account must be designated as a Roth IRA when it's opened. 2  The account can be opened at any time. 3  Contributions can be made at any age.ontributions are not tax deductible and qualified distributions are tax free. Here are some of the things you must consider when setting up a Roth IRA account: 1  The account must be designated as a Roth IRA when it's opened. 2  The account can be opened at any time.
Opening a Roth Individual Retirement Account is an excellent way to save for the future while simultaneously taking advantage of certain tax benefits. Investors planning to open a Roth IRA can choose from multiple providers. While some providers require investors to provide a minimum deposit when they open the account, others do not. A Roth IRA is a retirement account that allows funds to grow tax-free until the holder reaches age 59 1/2. Unlike the contributions made to a traditional IRA, the contributions made to a Roth IRA are not tax deductible.