|
|
Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
There are 20 feet of blood vessels in each square inch of human skin.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
![Draw and label a diagram and explain how a factor-dependent transcription (rho-dependent) terminator](https://biology-forums.com/gallery/28/medium_6_21_04_17_12_24_17.png)
![The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_36_11_29423542.png)