Answer:-
Heart muscle cells would tend to separate without structures called intercalated discs. These discs act like glue, holding the cells together tightly during each heartbeat. Without them, the constant contraction and relaxation of the heart would pull the cells apart, making it impossible for the heart to function properly. Intercalated discs also allow electrical signals to pass smoothly from one cell to another, helping the heart beat in a coordinated way. So, without these crucial connections, heart muscle cells couldn’t work together as a team, leading to serious problems with the heart’s ability to pump blood effectively.
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