Abnormal levels of may lead to schizophrenia and parkinson’s disease. a. gaba (gamma-aminobutyric acid) b. glutamate c. serotonin d. dopamine

The correct answer is (D) Dopamine

Explanation- Dopamine is a chemical found naturally in human body. It play a role of neurotransmitter, meaning it sends signals from the body to the brain. Dopamine plays a part in controlling the movements and emotional responses. its right balance in human body is vital for both physical and mental wellbeing. Vital brain functions that affect mood, sleep, memory, learning, concentration and motor control are influenced by the level of dopamine in a person's body. A dopamine deficiency may be related to schizophrenia and Parkinson's disease.

D❤

Explanation:

the answer to your question is c.

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