Why does celery create many processes?

Question

Django

Good afternoon. There is a project on django, I use locum hosting, installed it under my supervisor profile and specified the path to launch celery from under env. The supervisor settings say "numporcs=1".
On the site, in the task there are mail tasks (sending letters - registration, activations, orders, etc.). The problem is that their tech. hosting support writes to me that celery creates many processes:

ps -mu   1824
  PID TTY          TIME CMD
10416 ?        00:00:33 uwsgi
    - -        00:00:33 -
12880 ?        00:02:50 supervisord
    - -        00:02:50 -
13100 ?        00:00:03 uwsgi
    - -        00:00:03 -
13101 ?        00:00:05 uwsgi
    - -        00:00:05 -
26276 ?        00:00:01 systemd
    - -        00:00:01 -
26278 ?        00:00:00 (sd-pam)
    - -        00:00:00 -
29736 ?        00:23:10 celery
    - -        00:23:10 -
29758 ?        00:00:00 celery
    - -        00:00:00 -
29759 ?        00:00:00 celery
    - -        00:00:00 -
29760 ?        00:00:00 celery
    - -        00:00:00 -
29761 ?        00:00:00 celery
    - -        00:00:00 -
29762 ?        00:00:00 celery
    - -        00:00:00 -
29763 ?        00:00:00 celery
    - -        00:00:00 -
29764 ?        00:00:00 celery