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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.