Examlex
Which of these describes vectors?
Body's Defenses
The mechanisms by which the body protects itself from infection and disease, including the immune system, physical barriers, and biochemical processes.
Injected Drugs
Medicine or other substances introduced into the body through a syringe.
Classical Conditioning
An approach to learning in which two stimuli are repeatedly linked; the first stimulus alone eventually elicits a response that was initially elicited by the second stimulus.
Extinction
In psychology, the process through which conditioned responses decrease or disappear as an outcome of repeated exposure without reinforcement.
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