brain
heart
lung
limb
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Discussions (14)


Myschool the answer is D
The limbs (or skeletal muscles), digestive system and kidney ate affected

The answer is D because the body limits the supply of blood to them in order to redirect it to other vital organs

The brain receives increased flow during vigorous exercise. Kidney would have been a better option but I doubt any of these options are correct

The brain is not significantly deprived of blood during vigorous exercise.
In fact, blood flow to the brain is maintained at a fairly constant level. This is because the brain is vital and highly sensitive to oxygen supply—any major reduction would quickly affect consciousness and control of the body.
Here’s what happens:
The body prioritizes the brain, so its blood supply is protected.
There may be slight adjustments, but not a large decrease like in the digestive system.
The brain continues to receive enough oxygen and glucose to function normally.
However, if exercise is extremely intense or prolonged (especially with dehydration or low oxygen), you might feel dizzy or lightheaded, which shows the brain is starting to be affected slightly.
So in summary:
Unlike the digestive organs, the brain’s blood flow is kept stable, not reduced.




