|
|
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.
There are more bacteria in your mouth than there are people in the world.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
![Orangutans are limited to the islands of Sumatra and Borneo, where their numbers are rapidly declini](https://biology-forums.com/gallery/47/medium_275816_26_01_15_5_17_47_203801564.jpeg)
![Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_36_01_294131529.png)