Answer:
The urinary bladder of fetal pig is elongated sac and humans is hollow and muscular.
Explanation:
The urinary bladder of fetal pig is also called as allantoic bladder. The bladder is a collapsed long sac present between arteries. It is tapered near to posterior side to form urethra to joins the pelvic cavity.
The urinary bladder in humans is located in the posterior side of pelvic cavity. It is hollow muscular organ that is held at its place by folds of the peritoneum. The human urinary bladder collapses on micturition. The micturition is the process of excretion of urine. The trigone is the triangular shaped floor of bladder. This bladder connected with ureters endings and opens into urethra.
