In a Vertebrate with a Four-Chambered Heart, the Structure(s) Containing

question 20

Multiple Choice

In a vertebrate with a four-chambered heart, the structure(s) containing blood with the highest O₂ concentration is/are the _______________.

• A)pulmonary arteries
• B)pulmonary veins
• C)right atrium
• D)inferior vena cava

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