|
Author Question: A witness mark is ________. A) A person who witnesses an accident B) A type of steering system ... (Read 67 times) |
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
The human body produces and destroys 15 million blood cells every second.
On average, the stomach produces 2 L of hydrochloric acid per day.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
The longest a person has survived after a heart transplant is 24 years.