Pond organisms live in shallow water so they can produce
Answer:
I think its D sorry if you get it wrong
Ed happens because of Problems with blood flow
Answer:
A) AV node
Explanation:
According to my research on studies conducted by various medical professionals, I can say that based on the information provided within the question the structure being mentioned is the AV node. The atrioventricular node is responsible for connecting the atria and ventricles transferring the depolarization wave from the atria to the ventricles.
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