As well as old leases, you should keep anything that documents the landlord-tenant relationship or supports the items you report on your tax return. If the IRS audits your tax return and you cannot produce the correct verification documents, you may be liable for additional tax and penalties.
The facet joints link the vertebrae together and give them the flexibility to move against each other. The facets are the bony knobs that meet between each vertebra. There are two facet joints between each pair of vertebrae, one on each side.
Your 7 cervical vertebrae support your head and neck and allow you to nod and shake your head. Your ribs attach to your 12 thoracic vertebrae. Your five sturdy lumbar vertebrae carry most of the weight of your upper body and provide a stable centre of gravity when you move. Your sacrum is made up of five fused vertebrae. It makes up the back wall of your pelvis. Your coccyx is made up of four fused vertebrae.