<span>As an action potential reaches a muscle cell, it triggers calcium to release from the sarcoplasmic reticulum of the cells. The calcium ions then flow into the cytoplasm and bind to the troponin and tropomyosin molecules in the actin filaments of the muscle cells.</span>
Answer:
Body alignment is critical since improper form during a workout might result in pain or injury.
Explanation:
I would advise them to keep their backs straight and their hands shoulder width apart.
Agreeing with everything and everyone is Not a healthy behavior.
