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Author Question: Dated to ______________, Lantian is older than Zhoukoudian a. 115 bya b. 115 mya c. 1.5 kya d. ... (Read 35 times) |
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.