In mammals, what is the primary advantage of having a four-chambered heart with respect to the transport of blood to the lungs?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) It allows blood to flow through the heart only once
2. (B) It prevents the mixing of oxygenated and deoxygenated blood
3. (C) It reduces blood pressure in the lungs
4. (D) It ensures that only oxygenated blood enters the lung tissues

Verified Answer

Option (B): It prevents the mixing of oxygenated and deoxygenated blood

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