|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
![American soldiers—some of them regulars in deep blue uniforms, others in buckskin cowboy outfits— fi](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_09_50_223155.jpeg)
![A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_09_52_223212491.jpeg)