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Your skin is the first line of defense.
when it gets past the first line (the skin)
its killer T cells
the integumentary system is the skin and the bodys first line of defense.
The bodies first defence against a virus is your skin. The body first defense against a virus is Mucus. Mucus
skin is the first defense.
to be clean
The first line of defense includes the skin, breathing passage, mouth and stomach.
You can perform self defense against someone on their property as long as they attacked you first and you are in danger.
The body's first line of defense against infection is the skin.
Counter-terrorism Intelligence is often the first line of defense against terrorism in the US and other nations.