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!
Answer:
Because if they mate with another carrier of the recessive trait, then the offspring is at risk of having the trait.
Explanation:
Answer:
The answer is catatonic immobility
Explanation:
Catatonic immobility is associated with psychiatric conditions such as schizophrenia. it is characterized by disturbances in motor (muscular movement) behavior with either psychological or physiological basis. It can include periods in which the individual moves very little and does not respond to instructions. The individual holds rigid poses for a considerable length of time. They may maintain this position for hours, days, weeks or even months.