An electrocardiogram (ECG, EKG) is a measure of the heart's:

Biology
Tutor: None Selected Time limit: 1 Day

a.blood flow to the body.

b.pumping ability.

c.electrical system.

d.blood flow to heart muscle.

e.contraction rate.

May 10th, 2015

c.electrical system. 

gl and if you have any more im here have a great night!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

May 10th, 2015

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