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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
![(A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re](https://biology-forums.com/gallery/47/medium_14755_20_09_12_5_58_20_8856490.jpeg)
![When the United States gets stuck over a controversial issue—usually something a divided Congress ca](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_37_16_22180672.png)