Which chambers contract simultaneously?
A)two atria
B)right atrium and right ventricle
C)all chambers contract simultaneously
D)all chambers contract separately

Question

Quizplus · Accepted Answer

The two atria contract simultaneously, followed by the two ventricles contracting together. Therefore, option A is the correct answer as it is the only option that correctly identifies which chambers contract together. Option B is incorrect as it suggests only the right side of the heart contracts together, while option C is incorrect as it implies that all chambers contract together, which is not true. Option D is also incorrect as it suggests that each chamber contracts separately, which is not the case.

Which Chambers Contract Simultaneously