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Increased risk of trisomy with maternal age.
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo
Hormones acting through the brain help regulate metabolism and short- and long-term appetite.
A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ...