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Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.