What is the main advantage of double circulation?

A. oxygenated और deoxygenated blood अलग रहते हैं / Oxygenated and deoxygenated blood remain separate

Step 1: Identify circulatory pattern. Step 2: In double circulation blood passes through two routes from the heart and separation gives efficient oxygen supply. Step 3: Remember double circulation equals better separation.

Step 1: circulatory pattern पहचानें। Step 2: Double circulation में blood heart से दो routes से गुजरता है और separation से efficient oxygen supply होती है। Step 3: Double circulation equals better separation याद रखें।