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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
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.
Did you know?
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.