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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 A

Explanation

A. Monozygotic; dizygotic: Monozygotic twins are identical twins that result from the division of a single fertilized egg. Dizygotic twins, or fraternal twins, result from the fertilization of two separate eggs.

B. Dizygotic; monozygotic: This is the reverse of the correct order. Dizygotic twins come from two eggs, and monozygotic twins come from one egg.

C. Monozygotic; identical: Monozygotic twins are identical, but this choice does not mention dizygotic twins, which makes it incomplete.

D. Dizygotic; nonidentical: While dizygotic twins are nonidentical, this choice does not properly define the types of twins produced by a single egg (monozygotic).

Correct Answer is B

Explanation

A. Pancreas produces digestive enzymes and bicarbonate but does not produce bile.

B. Liver produces bile, which is essential for fat digestion. This is the correct answer.

C. Tongue assists in food manipulation and initial digestion through saliva but does not produce bile.

D. Salivary glands produce saliva, which contains digestive enzymes but not bile.