A ligament is a short band of tough, flexible tissue, made up of lots of individual fibres, which connect the bones of the body together. Ligaments can be found connecting most of the bones in the body.t is most common when the ligaments around a particular joint are at full-stretch can cause it to tear away from the bone. The most common torn ligaments are knee ligaments and ankle ligaments.
A federal income tax is a tax levied by the United States Internal Revenue Service (IRS) on the annual earnings of individuals, corporations, trusts, and other legal entities. Federal income taxes are applied on all forms of earnings that make up a taxpayer's taxable income, such as employment earnings or capital gains.
Taxes based on income are imposed at the federal, most state, and some local levels within the United States. The tax systems within each jurisdiction may define taxable income separately. Many states refer to some extent to federal concepts for determining taxable income. History of the income tax