The Nervous system releases dopamine and other reward chemicals in response to stimuli. Some such stimuli are addictive substances such as nicotine. When this happens the endocrine system sends bodily messages to relax. Having too much of an artificial substance provoking reward chemicals in your brain results in you not responding or producing enough on your own. Thus how addiction begins to occur. Hope this helps!
They can always refer to the guidelines that created by the American Medical Association or Research group such as American Heart Association. Those two organization have been proven to deliver researches result with a really high credibility. By using the guideline, they can determine whether the patient need the medication or not
The answer would be A.hallucinogens
Answer:
syphilis
Explanation:
it is a bacterial disease that comes in stages
<span><span>The answer is C. Urethra.
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The urethra is connected to both the urinary and reproductive system in males. It is a tube that transport urine and semen (with sperm) outside the body. The opening of the urethra is found on tip of the sexual organ. The urethra connects to the seminal vesicles of the reproductive system. It connects to the bladder of the urinary system. </span></span>
