Social Studies, 09.07.2021 17:10 offensiveneedle

As Abe continued his fitness regimen, he started to think more about his muscle anatomy. He wondered how he was able to adjust the force generated by his muscles when he lifted different weights. His anatomy instructor explained motor units to him. Which of the following best explains how motor units are involved in controlling force exerted by muscle? A. A single motor neuron innervates a specific set of muscle tibers within each muscle. When more force is needed, more motor units are activated, which states mere matice fbers to contract
B. A motor unit in composed of all the muscle fibers within a singie tascich Addition fascicles will be activated when more force is needed
C. Each skeletal muscle fer is innervated by a single motor neuron, so there are as many motor neurons as fibers within a single musch When more force is needed addition motor neurons will be activated, and their individual fibers will contract
D. Each muscle has one motor neuron that can selectively activate as many foers as are needed when trying to in heaver objects a single motor neuror will just some more Ebers to contract Submit Putn Muscle shorteninn

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As Abe continued his fitness regimen, he started to think more about his muscle anatomy. He wondered...