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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.