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2. In your own words, describe the anatomy of the central nervous system, the peripheral
nervous system, and the endocrine system. How do these three systems work together to
affect a person's development and behavior?
3. "It's going to be amazing when humans go to Mars," a classmate says. "People will be able
to see and hear and feel everything. There will be no limits!" Explain to the classmate what
humans can sense and perceive and what they aren't able to sense and perceive. Give at
least three examples of each. Use the term "absolute threshold" in your answer.
4. "I've been afraid of heights my whole life, and that's never going to change," a relative says.
"That is just how my brain is wired." Explain to this relative what neuroplasticity means (in
your own words) and how it affects humans.
5. "Why do people have to go to sleep?" asks a seven-year-old as their parent puts them to
bed. In terms that a young child would understand, explain at least two of the reasons
scientists have suggested that humans need sleep.

Sagot :

GinnyAnswer

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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