B. Exercise strengthens the bones so if you go without exercise your bones become weak.
Answer:
Biological death occurs after 4-6 minutes of clinical death which occurs when the heart stops pumping. ... An automated external defibrillator is a defibrillator that delivers an electrical shock to the heart to restore the normal electrical pattern and rhythm.
Explanation:
All muscle cells share four main properties that distinguish them from other cells. These are Excitability, Contractility, Extensibility and Elasticity.
hope this helps!
