Chapter 14, Problem 5TMW

Summary Introduction

To answer:

Why is the tube emptying the bladder (the urethra) more likely to be a portal of exit than a portal of entry?

Introduction:

Urinary bladder is a most important excretory system in the humans and other animals act as an exit port for excreting urine. The bladder acts as a reservoir for urine storage and emptying urine is affected through the urethra. The urethra is an opening orifice pore by which urine excreted through the urogenital tract.