Complex sentence: Worry refers to cognitive factors, such as negative expectations or feelings of inadequacy, and emotionality is the physical symptoms, such as increased heart rate, muscle tension, or butterflies Jones, L., & Petruzzi, D. C. (1995).
Split into simpler sentences: Worry refers to cognitive factors, such as negative expectations or feelings of inadequacy. Emotionality is the physical symptoms, such as increased heart rate, muscle tension, or butterflies Jones, L., & Petruzzi, D. C. (1995).