There are 60,000 miles of blood vessels in every adult human.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
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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.
ATP synthase, a molecular mill.
Triglyceride Molecule
Cervical plexus drawing
Reconstruction Drawing of the "Palace" Complex, Knossos, Crete
Reconstruction Drawing of the Temple of Aphaia, Aegina