|
|
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
There are more nerve cells in one human brain than there are stars in the Milky Way.
![Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_11_17_92651003.jpeg)
![An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_3_06_59_300631398.png)