The answer is "d. to study the consequences of blocking action potentials".
Toxins are substances made by plants and creatures that are harmful to people. Toxins additionally incorporate a few medications that are useful in little measurements, yet toxic in substantial sums. Â
Most Toxins that cause issues in people originate from germs, for example, microscopic organisms. For instance, cholera is caused by a harmful microorganisms. Â
Different toxins that reason issues incorporate metals, for example, lead, and certain synthetic compounds in the earth.