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47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

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Which of the following correctly defines topicalization? the subject of a sentence is the topic based on word order. the action word in the sentence starts the sentence in asl as the topic. the object of a sentence is the topic based on word order. process of establishing the topic at the beginning of a sentence with non-manual expression.