Respuesta :

countrygirl87001
Circulatory system controls all of your actvity and it transfferes blood to your brain so you wont have  a stroke
Uniquely0honest

Answer:

Barbiturates

Explanation:

They suppress brain activity by blocking the ability of nerves in the brain to send or receive signals. Barbiturates have been used to treat anxiety, sleeping disorders, and epilepsy.

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