Question

what system is known as the defense barrier the organism?

Answer 1

Respuesta:

immune system

The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease.

Explicación:

Answer 2

ESPAÑOL:

de tres barreras de defensa, primaria, secundaria y terciaria, que permiten a los animales y a los seres humanos detectar las sustancias extrañas, neutralizarlas y eliminarlas antes de que dañen alguna parte del organismo.

INGLES :

of three defense barriers, primary, secondary and tertiary, that allow animals and humans to detect foreign substances, neutralize them and eliminate them before they damage any part of the body.