Urine is propelled along the ureters by peristaltic waves of muscular contractions. ... Each kidney typically has eight to fifteen major calyces and two to three minor calyces. Meaning the answer is true. Because of muscle contraction.
What you could do is sit her down and talk to her and also tell a trusted adult.<span>Tell her you're concerned for her, and offer support by suggesting specific ways to help her stop using drugs. </span>
