|
|
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.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
People about to have surgery must tell their health care providers about all supplements they take.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
![The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black](https://biology-forums.com/gallery/47/medium_12359_26_01_13_4_05_51.png)
![Freedom House is a nonprofit institution that uses several different factors to rank countries based](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_46_35_2219241.png)