|
|
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
![The hierarchical organization of the sensory systems. The receptors perform the simplest and most ...](https://biology-forums.com/gallery/30/medium_548020_05_06_17_11_48_56_30309985.png)
![Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_9_28_58_304462278.png)