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How does the respiratory system work together with the cardiovascular system?

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Dr. John Garner
Internal Medicine - Cardiology

In brief: O2 Delivery

The lungs exchange co2 from metabolism for o2.
The heart delivers a carefully calibrated amount of blood to the body to match o2 delivered to o2 needed. That's why heart rate goes up w/ exercise. The lungs gets their blood from the right ventricle, and this blood comes back to the left atrium where it is then ejected to the body by the left ventricle.

In brief: O2 Delivery

The lungs exchange co2 from metabolism for o2.
The heart delivers a carefully calibrated amount of blood to the body to match o2 delivered to o2 needed. That's why heart rate goes up w/ exercise. The lungs gets their blood from the right ventricle, and this blood comes back to the left atrium where it is then ejected to the body by the left ventricle.
Dr. John Garner
Dr. John Garner
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