Answer:
you would test it on something harder (i think)
Explanation:
<span> </span>Muscle tissue<span> is enclosed in facia, which in turn is attached to other structures including</span>ligament<span>. There are three types of </span>muscle tissues<span> : </span>skeletal<span>, cardiac and smooth muscles.</span>
In the Nucleus :) hope this helps:)
<span>The Purkinje fibers are the fibers responsible for spreading impulses to both the left and right ventricular myocardium of the heart. These fibers extend through parts of the heart immediately spreading impulses for the heart to contract allowing the right amount of blood to flow within the ventricles.</span>