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Author Question: If you just want to go for a swim in a meandering river and want to find a sandy beach, where is the ... (Read 32 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Everyone has one nostril that is larger than the other.
Blood is approximately twice as thick as water because of the cells and other components found in it.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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.