Normal Blood Pressure Levels: Ranges by Age & Gender

Normal blood pressure ranges vary by age and gender, requiring specific monitoring during pregnancy, treadmill tests, and for the elderly.

Sports man exhausted after work out with hands on knees

The Effects of pCO2 on Respiration

The mechanisms that control respiration are part of an intricately woven system. The two main gases involved in respiration are oxygen and carbon dioxide. In healthy people, respiration is primarily controlled by the level of carbon dioxide dissolved in the blood. This is called the respiratory drive to breathe.

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