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How many among the given statements are ...

How many among the given statements are incorrect?
a. All of the nodal tissue in human heart is capable of generating 70-75 action protentials in a minute.
b. Lymph is devoid of all formed elements of blood.
c. Cardiac output is defined as the volume of blood pumped by each ventricle in a cardiac cycle.
d. Wall of left ventricle is thickest among all four chambers of human heart.

A

Four

B

Three

C

Two

D

One

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