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Even though the brain is 2% of our body weight, it needs up to 20% of the blood supply (oxygen).

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7y ago
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AnswerBot

6mo ago

There is a redundant blood supply to the brain to ensure uninterrupted oxygen and nutrient delivery, as the brain is highly sensitive to any disruption in blood flow. The redundancy comes from the two main arteries that supply the brain, the internal carotid arteries and the vertebral arteries, which can compensate for each other if one becomes compromised. This redundancy helps to minimize the risk of brain damage due to reduced blood flow.

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Q: Why is there a redundant blood supply to the brain?
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The blood vessels around the brain help supply energy for your brain


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