|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
![Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the Ni](https://biology-forums.com/gallery/47/medium_6_26_12_14_9_03_33_196591682.jpeg)
![Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the ...](https://biology-forums.com/gallery/28/medium_482573_28_04_17_12_11_19_284821638.jpeg)