<span>cardiovascular
</span>
<span>Cardio exercise is any exercise that raises your heart
rate. And we all know that to
keep our muscles in shape we need move them. This movement makes them
stronger and stronger muscles make for a more efficient and healthy
body.</span>
The answer to this question is:
<span>The
brain structure that is most likely causing this is the
“Reticular Formation”.</span>
<span>
The
reticular formation plays a vital role in states of consciousness like awareness
and sleep. It has connections to the thalamus and cerebral cortex
that allow it to gain some control over which sensory signals arrive at the
cerebrum and come to our conscious attention. </span>