According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Reactions of glycolysis and gluconeogenesis.
Evolution of Photosynthesis: reactions of the C4 cycles
Routes for utilizing substrates other than glucose in glycolysis
Water in Chemical Reactions
Light-independent reactions in C4 plants
Animated Light-independent reactions in CAM plants.