1 vote Vote for this answer. The dreaded 'more information than you need'. Percentage of water making up tissues, organs, fluids and bone in the human body: Brain 75%, Heart 75%, Lungs 86%, Muscle 75%, Liver 85%, Kidney 83%, Bone 22%, Blood 83%, Saliva 95%, Perspiration 95%. http://www.sumeria.net/oxy/o3.html.
If you are a resident of Mexico or Canada or a national of the United States, you can also claim a personal exemption for your spouse if your spouse had no gross income for U.S. tax purposes and was not the dependent of another taxpayer. In addition, you can claim exemptions for your dependents who meet certain tests.
1 If you can claim a person as a dependent, that person canât claim a personal exemption on his or her own tax return. 2  This is true even if you donât actually claim that person as a dependent on your tax return. 3  The rule applies because you have to right to claim that person. 4  Exemption phase-out. You generally may not claim married persons as dependents if they file a joint return with their spouse. 2  There are some exceptions to this rule. 3  Dependents may have to file. 4  People that you can claim as your dependent may have to file their own federal tax return.