Motor Unit Summation<span> - the degree of contraction of a skeletal muscle is influenced by the number of </span>motor units<span> being stimulated (with a </span>motor unit<span> being a </span>motor<span>neuron plus all of the muscle fibers it innervates; see diagram below).</span>
Nucleus I believe is the answer
Answer:
Achievement
Explanation:
Hello,
Success is the achievement of something desired, planned, or attempted.
I hope this helped.