Because arthropods are characterized by bilaterally symmetric  segmented bodies, an exoskeleton made from chitin, and joint  appendages, pretty much any characteristic otherâ¦ than these might  disqualify the organism. Mammals for example, with their internal  skeleton would be disqualified.
Medical Expense Deduction. You can deduct medical mileage as part of your overall medical expense deduction. The IRS limits the medical deduction to the amount of medical expenses in excess of 7.5 percent of your Adjusted Gross Income.
How to Claim Medical Mileage on Medical Expense Deduction. You can deduct your medical and dental care costs on the Schedule A (Form 1040) for the year youâre filing the tax return for. You can still claim the deduction for previous years if youâre eligible and didnât take the write off.