In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.
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Question:  The actin - regulatory protein gelsolin is found both intracellularly and in plasma [ 147 , 148 ] .

Answer: plasma


Question:  Effects of hypertension and sympathetic denervation on cerebral blood flow in newborn pigs .

Answer: blood


Question:  The use of these biological samples was approved by local ethical committee .

Answer:
samples