Which of the following situations is most likely to produce a heart attack?
A)The gap junctions have collapsed and they do not allow the correct flow of ions from one cell to the next.
B)The plasmodesmata have collapsed and they do not allow the correct flow of ions from one cell to the next.
C)The tight junction has ripped and is allowing ions to leak through the membrane lining the heart.
D)The cell walls have broken down and are not able to support the heart.

Question

Quizplus · Accepted Answer

Gap junctions are crucial for the electrical conductivity and coordination of heart muscle contractions. If they collapse, it disrupts the flow of ions necessary for synchronized heartbeats, potentially leading to a heart attack.

Which of the Following Situations Is Most Likely to Produce