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Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
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?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

