Which of the following muscle is not innervated by the ansa cervicalis? A: omohyoid muscle B: sternohyoid muscle C: sternothyroid muscle D: thyrohyoid muscle E: digastric muscle

Motor unit is A: a motor neuron B: a group of motor neurons with same function C: a group of muscle fiber that involved in execution of a special movement. D: a bundle of muscle fibers E: a alpha motor neuron and the innervated muscle fibers