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Author Question: Looking at Figure 7.7.1, which of the following is not prominent in East Asia? A) Chinese ethnic ... (Read 74 times) |
Your heart beats over 36 million times a year.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.