"sara began training for an open water swim. she began to feel uncomfortable after swimming about a mile. upon reaching the mile-and-a-half marker she was feeling strong and comfortable again. the neurotransmitter most likely to have influenced the change in sara's experience was: "

Dopamine

Explanation:

As a part of the extrapyramidal motor system which involves the basal ganglia, dopamine is important for movement coordination by inhibiting unnecessary movements. In the

pituitary gland, it inhibits the release of prolactin, and stimulates the secretion of growth hormone.

Dopamine deficiency related to the destruction of the substantia nigra leads to Parkinson’s disease. Increased activity of dopaminergic neurons contributes to the pathophysiology of psychotic disorders and schizophrenia. Drug and alcohol abuse can temporarily increase dopamine levels in the blood, leading to confusion and the inability to focus. However, an appropriate secretion of dopamine in the bloodstream plays a role in the motivation or desire to complete a task.

michael joseph jackson was an american singer, songwriter, and dancer. dubbed the "king of pop", he is widely regarded as one of the most significant cultural figures of the 20th century and one of the greatest entertainers of all time.

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