Muscle cells can use the _____ energy system to obtain energy.

Name: Muscle cells can use the _____ energy system to obtain energy.
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Question

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Muscle cells can use the PCr-ATP system to rapidly generate energy during short bursts of high-intensity exercise. This system involves the breakdown of phosphocreatine (PCr) to create ATP, which can be used by the muscle cells for energy. This system is important for activities such as sprinting, jumping, and weight lifting, which require short bursts of intense effort.

Muscle Cells Can Use the _____ Energy System to Obtain