A cell that carries out the final response or function of a particular process. The main effector cells of the immune system, for example, are activated lymphocytes and phagocytesâthe cells involved in destroying pathogens and removing them from the body.
Best Answer: Yes you can track it online here: https://tools.usps.com/go/TrackConfirmAc... The tracking number should look like this: CP 000 000 000 US. You can find it on the receipt, and the customs form you filled out.
USPS TrackingÂ® comes with a number of shipping services, allowing you to enter the tracking number for your item and see its status. Visit the USPS TrackingÂ® page to search for your item and to see a list of services and label number formats that are compatible.If you are unable to locate your mail or package, please email us about your problem and/or contact customer service.SPS TrackingÂ® comes with a number of shipping services, allowing you to enter the tracking number for your item and see its status. Visit the USPS TrackingÂ® page to search for your item and to see a list of services and label number formats that are compatible.