Answer choices are:
- Acetylcholine
- Dopamine
- Glutamate
- Serotonin.
Correct answer choice is:
2. Dopamine.
Step-by-step explanation:
Dopamine is a neurotransmitter, one of the chemicals that is held for sending signals in within the nerve cells (neurons) of the brain. Surprisingly some neurons really produce dopamine. Any, in a portion of the brain named the substantia nigra, are the cells that expire through Parkinson's syndrome.