1. What is a neurotoxin? a. A chemical that allows nerves to regrow.
b. A chemical that enhances electrical conduction.
c. A chemical that is produced by the nervous system
d. A chemical that prevents the nervous system from working properly.

2. How do scientists think neurotoxins could help people?

a. Neurotoxins harm people, not help them.
b. Neurotoxins could be used to block pain receptors.
c. Neurotoxins could help people avoid dangerous animals.
d. Neurotoxins allow electrical conduction to take place in the nervous system

SERIOUS ANSWERS PLEASE, THANK YOU AND GOD BLESS

1. Neurotoxin is a chemical that prevents the nervous system from working properly (option d).

2. According to scientists, neurotoxins could be useful to people because they could be used to block pain receptors (option b).

Explanation:

1. Neurotoxin is a chemical substance, predominantly of exogenous origin, which can alter the function of the nervous system, even by destruction of neurons or nerve tissue.

Among the alterations produced by neurotoxins are:

Both effects can alter specific functions of the nervous system, preventing it from functioning properly.

2. The transmission of pain depends on the stimulus of pain receptors and neuronal transmission of these stimuli to the central nervous system.

Scientists have proposed the use of neurotoxins to block both receptors and afferent pain pathways, preventing the symptom from occurring, what would be useful for people. An example of this is the use of botulinum toxin in some painful facial muscle disorders.

The other options are not correct because:

    a. Neurotoxins do not allow the nerves to grow back.

    b. Neurotoxic substances do not facilitate electrical conduction.

    c. Neurotoxins are not produced by the nervous system .

     a. Neurotoxins could be helpful to people, although their nature is harmful.

    c. Neurotoxins do not help people avoid dangerous animals.

    d. Neurotoxins prevent electrical conduction in the nervous system, they do not allow it.

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explanation: