Psoriasis is a disease that causes a red rash on the skin. Which body system does psoriasis affect

Me with these questions if you’re it sure don’t answer

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

What is responsible for the uneven heating between the poles and the equator on any given day