Arteries generally carry oxygen-rich blood, and most strokes occur when a blood clot blocks an artery that carries oxygenated blood to the brain. Given these facts, what happens when oxygenated blood doesn't reach the brain among the following options:
- anemia
 - Dehydration
 - blood flows to the heart
 - increased iron in the brain
 - arteries unclog
 - It decreases
 - a stroke
 - fever


 

       a stroke  