Viscera redirects here. For other uses, see Viscera (disambiguation). In biology, an organ or viscus is a collection of tissues joined in a structural unit to serve a common function. In anatomy, a viscus (/ËvÉªskÉs/) is an internal organ, and viscera (/ËvÉªsÉrÉ/) is the plural form. Organs are composed of main tissue, parenchyma, and sporadic tissues, stroma.
exists and is an alternate of . There is no age requirement, if you have sufficient income you have to file taxes. There is no age requirement, if you have sufficient income you have to file taxes.
In the case of a death, the executor must file a Tax Return for Estates and Trusts (Form 1041) for a domestic estate that has: 1  Gross income of $600 or more for the tax year, or. 2  A beneficiary who is a non-resident alien.