Immune System

The immune system take care of sends nervous impulses in all the organims what allows realise functions as voluntary control of movments.

Covid affects the immune system in a very serious way because it lowers the defenses of the human body and causes Covid and other diseases to cause a lot of damage

links:

https://www.antioquiatic.edu.co/noticias-general/item/205-los-sistemas-del-cuerpo-humano

https://psicologiaymente.com/salud/sistemas-cuerpo-humano

https://gacetamedica.com/investigacion/por-que-la-covid-19-afecta-solo-a-algunos-organos-y-no-a-otros/