Biology for IGCSE & O level - Transport In Animals (Section 1 - No. 25)
What are the main advantages of a double circulatory system?
Allows for high pressure in the systemic circulation.
Efficient delivery of oxygen and nutrients.
Mixing of oxygenated and deoxygenated blood.
Allows to have lower blood pressure in systemic circulation.
Explanation
The double circulatory system keeps oxygenated and deoxygenated blood separate, maintaining higher pressure for more efficient oxygen delivery.
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