Respiratory System Part 2

Respiratory System Part 2

This is Part 2 of a 2-part series on the respiratory system (the lungs!).  In Part 2, we will delve into the graphs of the respiratory system, as well its connections to other systems such as the circulatory systems and renal systems.

At a glance


Essential skills

  • Apply knowledge of lung capacities to determine ventilation rates

  • Predict compensations for respiratory and metabolic disturbances to the bicarbonate buffering systems


Knowledge Fundamentals

  • Lung volume and capacity graph (spirograph)

  • Connections between respiratory and circulatory systems, respiratory and renal systems

  • O2 dissociation curve

  • The bicarbonate buffering system

  • The Davenport plot

  • Fetal circulation and shunts


On the MCAT

  • The respiratory system is not a high-yield topic but it is heavily integrated into other systems like circulatory and renal


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