blackops3pro blackops3pro

09-04-2017
Biology

contestada

List some of body external and internal defenses

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KingOfShadows KingOfShadows

09-04-2017

External would be skin, nose hair, etc. Internal is white blood cells and bacteria that the body makes to help prevent infections.
Hope this helps!

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teresaromero teresaromero

09-04-2017

Body external defenses are :
skin
tears
sweat
Body Internal defenses are:
stomach acid
white blood cells

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