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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).
All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.
Everyone has one nostril that is larger than the other.
There are 60,000 miles of blood vessels in every adult human.
There are approximately 3 million unintended pregnancies in the United States each year.
![Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do](https://biology-forums.com/gallery/47/medium_12359_26_01_13_3_54_52.jpeg)
![Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su](https://biology-forums.com/gallery/47/medium_12359_26_01_13_4_08_11.jpeg)