|
|
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
![Coral reefs, such as this one in the Red Sea, support some of the most diverse assemblages of organi](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_08_58_15741158.jpeg)
![Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_19_56_9663363.jpeg)