|
|
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
![Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_57_09_2423685.jpeg)
![Good body mechanics when facing the head or foot of the table. A. Head and back in alignment. B. ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_9_33_17_329512338.jpeg)