Mr. lopez is prescribed oxycodone to manage chronic lower back pain. oxycodone is called an opioid because its action resembles that of the brain's natural painkillers.

How do antiviral drugs work? in your own words.

One of the reasons that stars are so large is because

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins