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The skin is the "first line of defense".
skin and mucous membranes first line of defense second line-leukocytes and macrophages, inflammation and fever third is immune system
The first line of defense includes the skin, breathing passage, mouth and stomach.
In the immune system, the first line of defense are mechanical and physical barriers, such as the skin and the cornea of the eye. The main line of defense, meanwhile, are the innate immunity and acquired immunity of an organism.
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The cast of The First Line of Defense - 2009 includes: Liz Eckert as Ms. Jarvis
The first line of defense against a pathogen would be barriers. Ex. The skin, Breathing Passages, and The Mouth and stomach.
The first line of defense includes the skin, breathing passage, mouth and stomach.
Your skin is the first line of defense.
Your skin is the first line of defense.
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