|
|
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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).
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
![The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_02_17_2038129.jpeg)
![Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_223511856.jpeg)
![Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...](https://biology-forums.com/gallery/31/medium_398119_13_07_17_3_43_10_31722484.jpeg)