|
|
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
There are 20 feet of blood vessels in each square inch of human skin.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
![Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_54_204501800.jpeg)
![The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_33_46_22174277.png)