<span>In the "all or none" law of muscle contraction, it states that when the stimulus applied exceeds threshold then the the nerve sending signals to a few muscle fibers will give a complete response; contraction. Graded response is dependent on how many motor units have been recruited. The more motor units, the greater the force in the contraction.</span>
Answer:
Y- x+ Y-
Explanation:
when an atom loses electrons the atom the result is a positive ion. when an atom gains an electron, the result is a negative ion
Answer:
Can please add some detail to your question...
Explanation: