how muscles cell causes contraction of muscles
Answers
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles. Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron.
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles. Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron.The contraction of a muscle cell is caused by a nerve impulse arriving at the neuromuscular junction. ... After this, the myosin heads change their angle even more and pull the actin fibres along the myosin fibres – causing the muscle cell to become a little shorter.
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Answer:
single motor neuron is able to innervate multiple muscle fibers, thereby causing the fibers to contract at the same time. Once innervated, the protein filaments within each skeletal muscle fiber slide past each other to produce a contraction, which is explained by the sliding filament theory
Explanation:
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