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Carotid artery supplies

1. Oxygenated blood to lungs
2. Oxygenated blood to intestine
3. Oxygenated blood to brain
4. None of these

Correct answer: Oxygenated blood to brain

Solution

The carotid arteries are the main arteries in the neck that carry oxygen-rich blood to the head and brain. They do not supply the lungs or intestine, so the correct choice is oxygenated blood to the brain.

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