|
|
Did you know?
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Did you know?
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
![Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore](https://biology-forums.com/gallery/47/medium_351728_31_05_15_9_12_12_219982425.jpeg)
![The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_3_43_29_296491963.png)