In which particular aspect of physiology was Otto Frank's work mainly focused?
Neurophysiology
Cellular physiology
Cardiac physiology
Respiratory physiology
Answer
Cardiac physiology is the study of the heart and its function. Otto Frank was a German physiologist who made significant contributions to the understanding of cardiac physiology. He was the first to describe the Frank-Starling law of the heart, which states that the force of contraction of the heart muscle is directly proportional to the length of the muscle fibers.
Unveiling the Brilliance: The Otter Frank Chronicle
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