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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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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Number and label designations for oxygen sensors. Bank 1 is the bank where cylinder number 1 is ... Number and label designations for oxygen sensors. Bank 1 is the bank where cylinder number 1 is ...
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
The Haploid Number of Chromosomes for a Variety of Organisms The Haploid Number of Chromosomes for a Variety of Organisms
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: Exocytosis - secretion

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