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Author Question: All of the following lines should be drawn thin and dark except: a. Hidden lines b. Extension ... (Read 71 times) |
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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There are more sensory neurons in the tongue than in any other part of the body.
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Everyone has one nostril that is larger than the other.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.