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Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.