Blog Alexander Vergara

The Defense Barriers  what are the defense barrieres? Natural barriers and the inmune system defend the body against organism that can cause infection (See also Lines of Defense.) Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid. Also, the normal flow of urine washes out microorganisms that enter the urinary tract. The immune system uses white blood cell and antibodies to identify and eliminate organisms that get through the body’s natural barriers. There are two types of defense barriers: the physical and chemicals barriers. what is a  physical barrier? Physical barrier  is the environmental and natural condition that act as a  barrier  in communication in sending message from sender to receiver. Organizational environment or interior workspace design problems, technological problems and noise are the parts of  physical barriers. What is chemical barrier? The  chemical  characteristics of certain areas of

Himno de la academia integral San Lucas Por la Gloria que se alcanza persistiendo. Paso a paso, por adarga la virtud Las lumbreras de la idea reluciend o En la ordenanza demandada por la cruz. I Si has sembrado en tierra buena con la fe Que merece tu designio, vencerás. El oficio de la ciencia a tu merced Con estudio y persistencia alcanzaras. II Los signos del candil revelarán Cada uno su verdad reclamará. Vas en busca de lo humano y con afán Hacia el cielo infinito ascenderán.