The nervous system, i could be wrong.
No, the vast majority of DNA mutations are not physically noticeable, and those that are noticeable physically are mainly cosmetic differences, such as a change in hair color, or heterochromia.
<span>Cytokines are tiny protein hormones that normalize immune
responses and facilitate cell-to-cell communication. The disproportionately
high levels of cytokines released by T cells enter the bloodstream and increase
the number of symptoms, including fever, biliousness, vomiting, diarrhea, and
sometimes tremor. Superantigens which includes staphylococcal toxins that may
lead to food poisoning and toxic shock syndrome.</span>
