The more forceful the squeezing of the heart, the greater the stroke volume. This concept refers to the ______ of the heart.

The more forceful the squeezing of the heart, the greater the stroke volume. This concept refers to the ______ of the heart.

The more forceful the squeezing of the heart, the greater the stroke volume. This concept refers to the ______ of the heart.



A. Resistance
B. Contractility
C. Preload
D. All of these





Answer: B


Learn More :