which of the following is the best definition of a motor neuron? course hero

by Prof. Bradly Hayes Jr. 9 min read

What is the function of the sensory and motor neurons?

May 12, 2018 · A motor unit refers to a motor neuron and all the skeletal muscle cells that it innervates. The motor neurons provides motor innervation to muscle cells by sending its axonal terminals to the cells. A single muscle can have many motor units which work together for a coordinated contraction. Reference.

What is the function of the upper and lower motor neurons?

Your answer: skeletal muscle fiber : single muscle cell that consist skeletal muscle. motor unit : a motor neuron with the muscle fiber it innervates. skeletal muscle twitch : respond to a single action potential. electrical stimulus : it make the muscle contract. latent period : period between stimulating and start of constraction. 2.

What motor neurons are involved in the activity of the bicep?

Which neuron fires on the motor neuron for the ipsilateral hamstring muscle?

Which of the following defines a motor neuron?

Motor neurones are cells in the brain and spinal cord that allow us to move, speak, swallow and breathe by sending commands from the brain to the muscles that carry out these functions. Their nerve fibers are the longest in the body, a single axon can stretch from the base of the spinal cord all the way to the toes.

Which of the following correctly defines a motor unit?

The correct answer is a) a single neuron and all the muscle cells it innervates. The motor unit specifically includes a motor neuron and all of the...

Which of the following is the definition of a motor unit in the nervous system?

A motor unit is made up of a motor neuron and all of the skeletal muscle fibers, also known as sarcomere innervated by the neuron's axon terminals. Groups of motor units often work together as a motor pool to coordinate the contractions of a single muscle. The concept was proposed by Charles Scott Sherrington.

What is the definition of a motor unit quizlet?

The term motor unit refers to. one motor neuron and all of the skeletal muscle fibers it innervates.

Which of the following defines a motor unit quizlet?

A motor unit consists of one motor neuron and all the muscle fibers it innervates or supplies.

What is a motor unit simple definition?

Definition of motor unit : a motor neuron together with the muscle fibers on which it acts.

What is the definition of motor unit in biology?

A motor unit is defined as a single efferent neuron and all of the muscle fibers it controls. Each muscle contains multiple motor units.

What is the function of a motor unit?

Motor units control the skeletal muscles and are the driving force behind every movement you make. This includes voluntary movements like walking or lifting weights, as well as involuntary ones like breathing. As you lift weights, your body adapts to motor unit needs.Jun 11, 2021