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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.


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Related Questions

Correct Answer is B

Explanation

A. 20,000 to 30,000: This number is too high for the typical number of sperm that reach the vicinity of the egg.

B. 20 to 200: This number is within the range of the actual number of sperm that typically reach the vicinity of the egg.

C. Half: This is an exaggerated number, as far fewer than half of the ejaculated sperm reach the vicinity of the egg.

D. 2000 to 3000: This number is too high for the typical number of sperm that reach the vicinity of the egg.

Correct Answer is True

Explanation

The slow block is a mechanism that prevents polyspermy, which is the fertilization of an egg by more than one sperm. It does not prevent fertilization of another egg when one is already pregnant. The slow block involves changes in the egg's membrane after a sperm has entered, making it impermeable to other sperm. Therefore, this statement is false.

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