Answered

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Archie took several deep breaths of air. By breathing deeply, what mechanism did he assist to return venous blood to his heart

Sagot :

Answer: Respiratory pump

Explanation:

By breathing deeply, the mechanism that Archie did hessist to return venous blood to his heart.

During the process of inspiration and expiration when the muscles contract and relax, pressure changes takes place in both the thoracic and abdominal cavities and this changes compress the nearby veins and help im the return of blood to the heart.

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