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zakruti.com » Knowledge, science, education » Crash Course
Peripheral Nervous System: Crash Course A&P #12

Peripheral Nervous System: Crash Course A&P #12

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Rating: 4.0; Vote: 1
It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it processes information, the reflex arc, and what your brain has to say about pain. Pssst. we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Date: 2022-04-04

Comments and reviews: 6


But WHY pain? Why not some other feeling that we could feel and NOT cause discomfort? Just a feeling that would let us know that - hey whatever you are doing is harming you, so stop it.
Also can plants feel pain? If yes why would evolution make something like a PLANT which essential for all types of life, feel pain?
Would any harm be caused if all humans began eating plants instead of animals? How would it affect our environment?

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The pain and inflammation systems are actually enormously mal-adaptive. Their response is usually hugely over-zealous in relation to potential threats. Nerve injuries and chronic pain syndromes are a seriously maladaptive pain response.
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Hello, a non-native passing through
May I ask the difference between aquire and acquire in 7: 17 because I normally use acquire but when I checked the dictionary it said they can be spelled both ways.

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Nice video. Altough there is no such thing as -pain signal-. You can have pain with or without nociception. Pain is an output of the brain modulated by complex biological, psychological and social factors.
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-For any injuries sustained in the process of owning a crash course poster, enjoy them at your own risk-
-looks at anatomy poster-
Anatomy poster: hey kid, don-t look at ME. _.

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After the reflex action of pulling up the foot and then which part of brain eventually interpreted the information that something has injured. is it thalamus plzzzz reply sir
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