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.
He should target an intensity of about 110 bpm. It is bad for Max to exercise at his max heart rate for an extended period of time because it raises the risk of him having a heart attack.
