What happens if your blood turns purple? what does that mean?

Scientists who study the anatomy of the systems in the human body focus their studies on

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

What is not true about me to metabolisms