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Final answer:
The answer explains the anatomy of the CNS, PNS, and endocrine system, human sensory capabilities, neuroplasticity, and reasons for sleep in simple terms.
Explanation:
The Central Nervous System (CNS) consists of the brain and spinal cord, while the Peripheral Nervous System (PNS) includes nerves connecting CNS to muscles and sensory structures. The Endocrine System, made of glands producing hormones, works in tandem with the nervous system to influence behavior through chemical signaling.
Humans can sense and perceive various stimuli, limited by the absolute threshold. Examples of senses include sight, sound, and touch, while some imperceptible stimuli are ultraviolet light, infrasound, and certain tastes.
Neuroplasticity is the brain's ability to reorganize itself, changing structure and function in response to experiences. This means fear of heights can be altered over time through exposure and behavioral interventions.
Scientists suggest that humans need sleep for restoration and memory consolidation purposes. It helps recharge the body and brain for optimal functioning and growth, supporting learning and health.
Learn more about Nervous System here:
https://brainly.com/question/29355295
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