b i think......................................or a or c or d
Answer:
Hello, Levers with mechanical advantage can move large loads with a relatively small amount of effort. They have a high load force to effort ratio. Second class levers always have mechanical advantage.
the answer to your question is The autonomic nervous system, it is also called the visceral efferent nervous system, it supplies the motor impulses to cardiac muscle, it also smooths the muscle, and to glandular epithelium. It is further subdivided into sympathetic and parasympathetic divisions.
