|
|
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
The human body produces and destroys 15 million blood cells every second.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Vaccines prevent between 2.5 and 4 million deaths every year.
![Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_14_26_100251196.jpeg)
![The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_03_16_20833983.jpeg)
![Functional MRI Scans These scans of human brains show localized average increases in neural activity](https://biology-forums.com/gallery/47/medium_6_31_03_15_7_18_49_211892310.jpeg)