|
|
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.
![Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_35_05_93811190.jpeg)
![Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key](https://biology-forums.com/gallery/47/medium_275816_26_01_15_5_23_40_20415653.jpeg)