The word in the blank should be 'segregation' :)
Activation of muscle contraction could be a speedy event that's initiated by electrical activity within the surface membrane and transversal (T) tubules. This can be followed by unharness of metal<span> from the inner membrane system, the sarcoplasmic reticulum.
</span>Nervous stimulation causes a depolarization<span> of the muscle membrane (sarcolemma) </span>that<span> triggers </span>the discharge<span> of </span>calcium<span> ions from the sarcoplasmic reticulum.</span>
A. Osmosis. Hope this helps :)
A) because if you look at the chart, the numbers on the right increase then decrease when it hits 19:00.
Hope this helps!!
