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.
There is no minimum age to file a petition for a spouse for immigration. However, you must be 18 years of age and have a domicile in the U.S. before you can sign the Affidavit of Support, Form I-864, and this form is required for an immigrant visa for spouses and other relatives of U.S. sponsors.