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.
How To Retrieve Your USPS PIN. The phone number for PostalEASE is: 1- 877-477-3273. To retrieve your USPS PIN follow these instructions: Dial 1- 877-477-3273. Press 1 when prompted, enter your Employee ID printed at the top of your earnings statement. When prompted for your PIN, pause and then press 2. Your USPS PIN will be mailed to your address of record the next business day.