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3 years ago

Oxygen rich blood returns from the lungs to the heart. Which 2 systems are most directly involved in this process.

Biology

1 answer:

Nina [5.8K]3 years ago

7 0

Answer:

Respiratory and circulatory

Explanation:

The Circulatory System Works in Tandem with the Respiratory System. The circulatory and respiratory systems work together to sustain the body with oxygen and to remove carbon dioxide. Pulmonary circulation facilitates the process of external respiration: Deoxygenated blood flows into the lungs.

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