heart rate x stroke volume =cardiac output
Cardiac output can increase when the body increase
- to get oxygen to the muscles faster
- to get glucose to the muscles faster
- to get carbon dioxide away from the muscles.
- to lactate away from the muscles
- to get heat away from the muscles faster.
When the body exercises the ventilation rate and depth increase so that: oxygen can diffuse from the air to the blood faster and carbon dioxide away from the blood faster.
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