During exercise which area has the least change in blood flowA) SkinB) BrainC) Skeletal MuscleD) Kidneys
Question
During exercise which area has the least change in blood flow
A) Skin
B) Brain
C) Skeletal Muscle
D) Kidneys
Solution
During exercise, the body prioritizes blood flow to the areas that need it most, such as the skeletal muscles and the heart.
A) Skin: Blood flow to the skin increases during exercise to help with heat dissipation.
B) Brain: The brain's blood flow remains relatively stable during exercise. It receives about 15% of cardiac output and this doesn't change much even during intense exercise.
C) Skeletal Muscle: Blood flow to skeletal muscles increases dramatically during exercise. At rest, skeletal muscles receive about 20% of total cardiac output, but during intense exercise, this can increase to 80-85%.
D) Kidneys: The kidneys receive a reduced blood flow during exercise as the body prioritizes other areas.
So, the area with the least change in blood flow during exercise is the brain (B).
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