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Female orgasm is required for conception

The microvilli on the apical surface of the proximal convoluted tubule (PCT) is most needed to propel the filtrate through the tubules.

Alveolar ventilation is the best index of effective ventilation.

The inflation (Hering-Breuer) reflex is a potentially dangerous response that may cause over inflation of the lung.

Digestion and absorption of lipids would be affected the most if the liver were severely damaged.

For inspiration of air, the first thing that happens is the diaphragm descends, thoracic volume begins to increase, and the rib cage rises.

Glycolysis describes the process that occurs when an endurance runner carbo-loads the night before the race, as she “carbo-loads” when eating a large pasta dinner.

Tracheal obstruction is life-threatening

A urine test reveals a positive result for human chorionic gonadotropin (hCG). This indicates fertilization was successful.

A drop in blood p H is likely to cause a slower breathing rate.