Drainage Basins Are Closed Systems in Terms of Matter

question 79

True/False

Drainage basins are closed systems in terms of matter.

---

Definitions:

Internal Urethral Sphincter

The internal urethral sphincter is a muscle that surrounds the neck of the bladder, controlling the flow of urine from the urinary bladder into the urethra.

Major Calyx

The major calyx is a component of the kidney that collects urine from the minor calyces before it moves into the renal pelvis and ureter.

Renal Pelvis

The central collecting region in the kidney where urine gathers before moving into the ureter.

Minor Calyx

A cup-shaped structure in the kidney that encloses the apex of a renal pyramid and collects urine before it passes into the major calyx.