What affect does exercise have on the nervous system

How does heroin affect cellular communication in the brain?

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?

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.