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Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Did you know?
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Did you know?
Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
![Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ...](https://biology-forums.com/gallery/30/medium_548020_02_06_17_2_26_26_302612176.png)
![Two regions of the brain involved in sleep. The anterior hypothalamus and adjacent basal forebrain ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_2_21_52_30404869.png)