Is this an example of a positive or negative feedback?

Achild was brought to the hospital with complaints of fever. the vital signs of the child show a temperature of 102° f. on diagnosis, the child is found to have developed exanthema subitum. which drug administered to the child with this communicable disease reduces the body temperature?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

Early treatment for mental illness involved because doctors believed that doing this would drain the mental illness out of the person’s body.