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.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The longest a person has survived after a heart transplant is 24 years.
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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
Generally, the total tax burden in the United States is much lower than that of other industrialize
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What is the phenotype for the female and male..This question is locked