Podcast
Questions and Answers
What is a motor unit?
What is a motor unit?
Where are small motor units typically found?
Where are small motor units typically found?
What is the function of the neuromuscular junction?
What is the function of the neuromuscular junction?
Study Notes
Motor Units and Neuromuscular Junction
- A motor unit is the smallest functional unit of muscle contraction, consisting of a motor neuron and the muscle fibers it innervates.
- Small motor units are typically found in muscles that require precise control, such as those involved in eye movements, facial expressions, and finger movements.
- The function of the neuromuscular junction is to transmit signals from the motor neuron to the muscle fibers, resulting in muscle contraction.
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Description
Test your knowledge about the neuromuscular junction, motor neurons, and motor units. Learn about the control of muscle fibers and the differences between small and large motor units, including their functions in muscles controlling eye movement.
