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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.