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>
B. The nervous system collects and responds to information about the external and internal environment.
Answer:
A mouse would obtain energy from plants that have vitamins and minerals, and protein from things like nuts. An owl would get protein from eating a mouse and vitamins and minerals from the things the mouse ate.
Explanation:
It's all one big circle. These nutrients would provide the energy needed to perform everyday tasks.
Some plants reproduce asexually by natural occurring forces, such as wind and water carrying away their seeds.
