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.
Pack of 10. Please Note: This product ships in packs of 10. An order of 1 equals 10 forms. Signature Confirmation gives you the benefits of USPSÂ® Tracking with an added level of security by requiring a signature from the person who accepts your package.