<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>
Answer:
I think it explains that the DNA molecules are double helix with alenine and thymine paired together
The aortic valve prevents backward flow of blood into the left ventricle.
