When Submerged, Frogs Receive Most of Their O₂ from Capillaries

question 140

Multiple Choice

When submerged, frogs receive most of their O₂ from capillaries within their skin.Which structure is likely to contain blood with the highest O₂ concentration in a submerged frog that is not able to breathe using its lungs?

• A) Right atrium
• B) Left atrium
• C) Aorta
• D) Ventricle
• E) Pulmonary vein

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