|
|
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Excessive alcohol use costs the country approximately $235 billion every year.
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
![A rectangular-shaped fuel rail is used to help dampen fuel system pulsations and noise caused by ...](https://biology-forums.com/gallery/30/medium_548020_30_05_17_11_26_28_300092330.png)
![Connect a fused jumper wire to supply 12 volts to terminal 86 and a ground to terminal 85 of the ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_11_04_32_30089340.png)