Answer:
David can have complete brain irrigation, thanks to the Willis polygon, is an arterial structure, which allows to redistribute blood flow, in case there is a process of ischemia and hypoxia.
It would be appropriate as we increase the time of an exercise to decrease the number of sets of that exercise because duration is more important for effective exercise.
<h3>How to make exercise more effective?</h3>
We should increase the difficulty and duration of an exercise to make it more effective because it produces overload. As an individual exercises at a higher level, the body adapts to the increased demand and this higher level leads to new form of your body.
So we can conclude that it would be appropriate as we increase the time of an exercise to decrease the number of sets of that exercise because duration is more important for effective exercise.
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Ophthalmic gentamicin is used to treat certain eye infections. Gentamicin is in a class of medications called antibiotics.