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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 C

Explanation

A. Cutaneous transpiration: While cutaneous transpiration (evaporation of sweat from the skin) contributes to water loss, it is not the primary mechanism controlling water output.

B. Drinking: Drinking affects water intake rather than output. It does not directly control how much water is excreted from the body.

C. Urine volume: Urine volume is the primary means by which the body regulates water output. The kidneys adjust urine volume to maintain fluid balance and homeostasis.

D. Sweating: Sweating contributes to water loss but is not the primary mechanism for controlling overall water output compared to urine production.

Correct Answer is D

Explanation

A. Wolffian refers to structures related to the male reproductive system during embryonic development, not to uterine contractions.

B. Masters Johnson: Masters and Johnson are known for their research in human sexual response, not for describing types of uterine contractions.

C. Graafian: Graafian refers to a mature ovarian follicle, which is unrelated to uterine contractions.

D. Braxton Hicks: Braxton Hicks contractions are irregular, non-labor contractions of the uterus often referred to as "false labor."

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