Concept:During vigorous exercise, blood flow is redirected to active skeletal muscles, reducing flow to less-active internal organs.
Explanation:Blood flow to the brain, heart, and lungs remains normal or increases during exercise.
Blood flow to the limbs increases because the exercising muscles need more oxygen.
Reduced blood flow occurs mainly in organs like the kidney, liver, and alimentary canal.
These organs are not present among the given options.
So none of the options (A-D) is the correct choice.
Answer:None of the given options is correct.