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Did you know?
Your heart beats over 36 million times a year.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
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.
Did you know?
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.