|
|
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Your heart beats over 36 million times a year.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
![Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_26_16_94272360.jpeg)
![Richard Wrangham’s “female-bonded” theory of intergroup competition was highly influential in our un](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_57_42_204562031.jpeg)