Answer: Refractory period of the cardiac action potential
Explanation:
Unlike the skeletal muscle which can be reactivated before it reaches a contraction, cardiac muscle must wait before it is almost completely relaxed to be activated again (because of its long refractory period), so one cannot make an increase in strength of contraction with a high frequency of stimulations.
FALSE : the presence of harmful substances in the earth’s atmosphere is called air pollution
Answer:A genetic condition can be diagnosed a number of ways. ... testing is one of several tools that doctors use to diagnose genetic conditions.
Explanation:
