|
|
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).
Everyone has one nostril that is larger than the other.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
![Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_46_100411265.jpeg)
![Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_6_26_25_261392239.jpeg)