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The ___________ is not an organ of the urinary system.

A.

urethra

B.

ureter

C.

kidney

D.

urinary bladder

E.

Liver

Answer and Explanation

The Correct Answer is E

A. Urethra: The urethra is a part of the urinary system that carries urine from the urinary bladder to the outside of the body. 

 

B. Ureter: The ureters are tubes that carry urine from the kidneys to the urinary bladder. They are part of the urinary system.

 

C. Kidney: The kidneys are the primary organs of the urinary system responsible for filtering blood and producing urine. 

 

D. Urinary bladder: The urinary bladder is an organ in the urinary system that stores urine before it is excreted. 

 

E. Liver: The liver is not an organ of the urinary system. It plays a crucial role in metabolism, detoxification, and bile production, but it is part of the digestive system. 


View Related questions

Correct Answer is D

Explanation

A. Corpuscle: The corpuscle refers to the glomerulus and Bowman's capsule, not the medial concavity of the kidney.

B. Cortex: The cortex is the outer region of the kidney, not the medial concavity.

C. Medulla: The medulla refers to the inner part of the kidney but not specifically the medial concavity.

D. Hilum: The hilum is the medial concavity of the kidney where blood vessels, nerves, and the ureter enter and exit.

Correct Answer is C

Explanation

A. Lactateis produced during anaerobic metabolism (when oxygen is scarce) as a byproduct of glycolysis, but it is not the direct product of glycolysis itself.

B. Carbon dioxideis a byproduct of cellular respiration, specifically during the Krebs cycle, not glycolysis.

C. Pyruvateis the end product of glycolysis, where glucose is broken down into two molecules of pyruvate.

D. Acetyl-CoAis formed from pyruvate during the transition step before the Krebs cycle, not directly from glycolysis.