Starling's law of the heart holds that: a) the greater the length of myocardial fibers, the greater the force with which they contract. b) lesser the length of myocardial fibers, the greater the force with which they contract. c) lesser the blood volume, the greater the force of ventricular contraction. d) lesser the blood viscosity, the lesser the force of ventricular contraction. e) greater the peripheral resistance, the lesser the ventricular contraction.

a) is correct

Explanation:

Starling`s law states that when the myocardial fibers are stretched, giving as a result a higher force of  contraction.

This mechanism will equilibrate the force of contraction of the ventral blood.

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