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Which of the following is not an accessory organ of digestion?

A.

Salivary glands

B.

Liver

C.

Pancreas

D.

Spleen

Answer and Explanation

The Correct Answer is D

A. Salivary glands are accessory organs of digestion as they secrete saliva containing enzymes to start digestion.

B. Liver is an accessory organ involved in digestion, particularly in bile production and processing nutrients.

C. Pancreas is an accessory organ that secretes digestive enzymes into the small intestine.

D. Spleen is not involved in digestion; it is primarily involved in immune function and blood filtration.


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Related Questions

Correct Answer is B

Explanation

ADH is secreted by the posterior pituitary gland, not the kidneys. The kidneys respond to ADH by conserving water and concentrating urine, but they do not produce or secrete ADH.

Correct Answer is D

Explanation

A. Sperm; semen: Sperm is the male gamete, and semen is the fluid that contains sperm, but these are not analogous to the ovary, which is a gonad.

B. Testis; semen: The testis is the male gonad that produces sperm, but semen is the fluid that contains sperm. The analogous structure to the ovary is the testis, but this pairing with semen is not correct.

C. Semen; sperm: Semen is the fluid containing sperm, while sperm is the male gamete. Neither is a gonad, so this pairing is not analogous to the ovary.

D. Testis; sperm: The testis is the male gonad that produces sperm, making it analogous to the ovary, which is the female gonad that produces eggs.

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