<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>
Doctors can use technology to evaluate preexisting health conditions so one does not push themselves too far. Technology can help monitor your heart rate, blood pressure, fat percentage, etc. This can give a base to know what to know where/ how much you improved when you look back. Technology can also be your own equipment like a treadmill which makes you more fit.
Answer:
b
Explanation:
the girlfriend should not be driving home at all.
Real-world efficiencies are generally very high, in the 90 percent range. FALSE.