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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.