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PIMSO 2022 - Science - Grade 9 - National Round Question 5

PIMSO Science · PIMSO 2022 - Science - Grade 9 - National Round

Question 5

What is the neurotransmitter that is released by motor neurons to signal skeletal muscle contraction?
  1. Gamma-aminobutyric acid
  2. Norepinephrine
  3. Acetylcholine
  4. Dopamine
  5. Serotonin