Sara has recently joined a sports club but her parents are noticing some changes in her behavior. which of these indicate that sara might be using performance enhancing drugs? check all that apply. stunted growth increased muscle mass paranoia irritability kidney damage

The answer is:

stunted growth

increased muscle mass

paranoia

irritability

kidney damage

Using performance enhancing drugs will definitely increase users' muscle mass and improve their athletic performance. But if it is used during puberty, their body's organ performance and  the bone structure may not still developed enough to fully accommodate the weight of the muscle and increased function . This will lead to stunted growth and kidney damage.

Beside the physical negative effects, PED could also create a psychological defect. Such as getting angry over small things (irritability) , or paranoia (like believing that their body is 'not big enough'.

answer(b) keep oxygenated and deoxygenated blood separate;