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Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.