Answer:
anabolic steroids, androstenedione, human growth hormone, erythropoietin, diuretics, creatine and stimulants.
Explanation:
<span>While you sleep, your brain processes sounds on a basic level, sometimes causing you to wake or jostle. The impact of sound depends on the stage of sleep you are in.</span>
Answer: The respiratory system moves air in and out of the body. When you breath in oxygen this creates oxygenated blood. The blood moves through the aorta which then distributes the oxygenated blood to rest of the body. The co2 then leaves the lungs when you exhale. Hope this helped. :)
It is used for tabacco because people smoke it