Which of the following statements about Starling's law of the heart are correct?

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Starling's law indicates that a stronger contraction leads to a higher cardiac output.According to Starling's law, the strength of ventricular contraction depends directly on the volume of blood in the ventricle at the end of diastole.Both statements A and B are true.Neither of the above statements is correct.

Explanation

Statement A explains that Starling's law relates increased contraction force to greater cardiac output. Statement B clarifies that the force of ventricular contraction is proportional to the end-diastolic volume. Therefore, both statements accurately describe Starling's law.