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Author Question: Jack and Jill are fiercely competitive siblings, and since they were born exactly a year apart, can ... (Read 16 times) |
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
On average, the stomach produces 2 L of hydrochloric acid per day.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.