The first line of defense against unsafe drivers is the awareness and attentiveness of all road users. Defensive driving techniques, such as maintaining a safe distance, anticipating potential hazards, and being prepared to react to the actions of others, can significantly reduce the risk of accidents. Additionally, adhering to traffic laws and promoting safe driving habits can create a safer driving environment for everyone.
skin is the first defense.
to be clean
You can perform self defense against someone on their property as long as they attacked you first and you are in danger.
Counter-terrorism Intelligence is often the first line of defense against terrorism in the US and other nations.
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It is the first line of defense against pathogens.
The first line of defense against a pathogen would be barriers. Ex. The skin, Breathing Passages, and The Mouth and stomach.
Your skin is the first line of defense.
Your skin is the first line of defense.
The integumentary system is one of the first lines of defense against infection. It provides a physical and chemical barrier against the entry of pathogens.
The integumentary system (skin) and mucous membranes are the first line of defense. They provide a physical barrier against invasion of pathogens. Any break in this physical barrier, such as a cut, makes it easier for pathogens to enter your body.
A barrier... in humans that would be your skin.