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On average, the stomach produces 2 L of hydrochloric acid per day.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the
Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace
The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ... Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ...
Laparoscopy. A laparoscope is used to view reproductive organs. Laparoscopy. A laparoscope is used to view reproductive organs.
Other Endocrine Tissues and Organs, Eicosanoids, and Growth Factors Other Endocrine Tissues and Organs, Eicosanoids, and Growth Factors
Video: Requirements for nervous signals

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