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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?
Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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The average adult has about 21 square feet of skin.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.