Examlex
The skin and mucous membranes are mechanical barriers of the nonspecific immune system.
Bodily Fluids
Liquids that are produced or present in the human body, essential for the functioning of various organs and systems.
Intravenous Drug Users
Individuals who administer drugs into their bloodstream through the use of needles, often associated with increased risk for infections and diseases.
Unprotected Sexual Contact
Engaging in sexual activities without using methods to prevent sexually transmitted infections or unintended pregnancy.
Physical Fitness
The state of being physically healthy and strong, achieved through exercise, proper nutrition, and sufficient rest.
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