What is dopamine? What role does it play in the brain?

actual definition  the dopamine functions as a neurotransmitter a chemical released by neurons  to send signals to other nerve cells. AND plays a major role in the motivational component of reward-motivated behavior.

Explanation:

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

voluntary muscles are controlled by the cerebellum.