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Opium gum can be accessed from poppies. Alcohol is produced in nature by the fermentation of sugars by yeast, and there are some CNS depressants like belladonna that are available in plants. There are other examples.

In addition to ingested chemicals, most animal venoms work by depressing the CNS. They would not, however, be considered drugs unless processed and used for antivenin.

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When were central nervous depressants made?

Central nervous system depressants have been around longer than the human race.


How are CNS depressants made?

Central nervous system (CNS) depressants are typically synthetically produced in pharmaceutical laboratories. They can be made by chemical synthesis or derived from natural sources. Common CNS depressants include benzodiazepines, barbiturates, and alcohol, and each type is synthesized using specific chemical reactions and processes to achieve their desired effects on the central nervous system.


The central nervous system is the only part of the nervous system?

False Made up of two major parts, Central nervous system and Peripheral nervous system


What part of the nervous system is made up of interneurons?

the central nervous system.


How the nervous system organized?

The nervous system consist of the central nervous systemand the peripheral nervous system. the central nervous system consists of the brain and spinal cord and the peripheral nervous system is made up of nerves that spread throughout the body, joining all of the body parts to the central nervous system.


What is the cns nervous system?

The central nervous system or CNS is made up of the brain and spinal chord.


What two structures make up the central nervous system?

The components that make up central nervous system consists of two main parts. The central nervous system is made up of the brain and the spinal cord.


What is the Central Nervous System made of?

the central nervous system is made up of the brain and the spinal cord


All nervous tissue outside of the central nervous system is part of this nervous system?

The peripheral nervous system is made up of all the nerves outside the central nervous system.


What are the four different nervous systems?

Central Nervous System and Peripheral Nervous System


What is the nervous system made up of?

neurons


What is responsible for how animals react to stimuli within the environment?

The nervous system. Which is made up of the peripheral nervous system and the central nervous system (including the brain).