From Ammonia to Urine: The Urinary System

Front

What is the primary waste product produced by cells that contains nitrogen?

Back

Ammonia (NH₃)

Front

What does ammonia get converted into in the liver?

Back

Urea

Front

What organ is responsible for converting ammonia into urea?

Back

Liver

Front

What is the name of the tube that carries urine from the bladder to the outside of the body?

Back

Urethra

Front

What are the two main functions of the kidneys?

Back

Filtration of blood and regulation of water and electrolytes.

Front

What is the outer layer of the kidney called?

Back

Renal cortex

Front

What is the inner part of the kidney where urine is collected?

Back

Renal pelvis

Front

What is the functional unit of the kidney?

Back

Nephron

Front

What is the process by which the kidneys filter blood to form urine?

Back

Filtration

Front

What is the role of the renal medulla?

Back

It contains the structures that concentrate urine.