The sinuses are cavities, or air-filled pockets, near the nasal passage. Like the nasal passage, the sinuses are lined with mucous membranes. There are four different types of sinuses: 1  Ethmoid sinus. 2  Located inside the face, around the area of the bridge of the nose. 3  This sinus is present at birth, and continues to grow. 4  Maxillary sinus.
AARP Social Security Resources. If you and your spouse file a joint return with a combined income below $32,000, your benefits are out of reach. For income between $32,000 and $44,000, up to 50 percent of benefits may be taxable, and up to 85 percent if combined income is more than $44,000. For more information, go to Social Security's website.
$32,000 for Married Filing Jointly. $0 for Married Filing Separately if the spouses lived together during the year. If your total income is more than the base amount, you might owe some tax on your Social Security benefits. You can use the worksheet in the Form 1040 Instructions, or efile.com, to find out exactly how much of your Social Security income is taxable.