Final answer:
Chelsea's lack of sleep is affecting her Nervous system.
Step-by-step explanation:
Chelsea's lack of sleep is affecting her Nervous system.
When we don't get enough sleep, our brain functions are impaired, resulting in difficulty concentrating and thinking clearly. The Nervous system is responsible for controlling our cognitive functions, including attention, memory, and problem-solving. Lack of sleep can disrupt the balance and coordination of neurotransmitters, affecting Chelsea's ability to focus and process information efficiently.
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