Question

the tremors of parkinsons disease result from the death of nerve cells that produce the neurotransmitter * 2 points
dopamine
serotonin
gaba
acetylcholine

for you to experience the pain of a sprained ankle, ______ must first * 2 points relay messages from your ankle to your central nervous system.
sensory neurons
interneurons
endocrines
motor neurons

Explanation:

1. Parkinson's disease tremors are due to the death of dopamine - producing nerve cells. Dopamine is crucial for regulating movement.
2. Sensory neurons are responsible for relaying information from sensory receptors (like in a sprained ankle) to the central nervous system, which allows us to experience pain.

Answer:

1. A. dopamine
2. A. sensory neurons