hairlike structures that extend from the surface of the cell, where they assist in movement. they are longer and are far less numerous on the cells where they occur.
Fill a U.S. Customs form to track the package abroad or ask your correspondent the parcel's bar code. Note the number that starts with CP on top of the form. Go to usps.com/shipping/trackandconfirm.htm?from=home&page=0035trackandconfirm. Enter the form number. Click Go..
USPS Package Tracking. To check on the delivery status of your mailing, enter your tracking or confirmation number in the field below. The Confirmation Number is located at the bottom of a Stamps.com shipping label (circled in the diagram to the right). Do not include dashes or spaces. Please note that confirmation numbers are only retained for six (6) months.