<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>
Hereditary diseases such as certain types of cancers can be carried down in your dna.
Answer:true
Explanation: certain proteins are not enough?
Answer:
you know now when i think about it- it kinda is-
Explanation:
