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Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
![Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_17_11_92921634.jpeg)
![Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_40_219642025.jpeg)