Did you know?

Your heart beats over 36 million times a year.

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.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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