<prompt> True about ureters entry into bladderAt medial angle of trigoneAt lateral angle of trigoneMake an angleIs straight  <response>: The Urinary System: Ureter and Urinary Bladder. Ureters are 10 inch long tubes that carry urine from kidneys into urinary bladder. Their oblique entry into the bladder prevents backflow of urine and increased pressure within the bladdercompresses the distal ends of the ureters shut . Ref - BDC vol2 6e pg318 