<span>The best answer is :
Systolic circulation
</span>The systolic blood circulation is the process when the heart contracts., the oxygen-rich blood from the heart is pumped out into the arteries, from where it is sent to all the body parts.
<span>The node which initiates the contraction through a nerve signal is called the AV node.</span>
The correct answer is I will improve my batting average by two points
before the end of the season. That's because mad goals are measurable,
attainable, deadline goals, that means that they are planned and
realistic. Beating a champion in your first match and swimming the pool 5
times without taking breath is definitely not measurable. However,
improving your batting rate is measurable and attainable within the
given deadline.
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The answer is A. the space shuttle orbiting the Earth.
Answer: C
Explanation: If she is teaching them how to do something, she would need to instruct them on how to do so.