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Author Question: Fossils from the Hadar region include all of the following except: A. some of the earliest known ... (Read 511 times) |
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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The FDA recognizes 118 routes of administration.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.