[Solved] The audience of a formal business report knows the context within which it was written, so you should not include a Background part in any formal business reports. Fear of Loud Noise: An instinctual or conditioned response to loud sounds, often involving feelings of anxiety or panic. Conditioned Response: A learned reaction to a previously neutral stimulus that results from repeated exposure to a stimulus paired with a response. Nude Female's Picture: An image depicting a woman without clothes, often considered in contexts ranging from art and photography to issues of privacy and consent. Increased Heartbeat: A physiological response where the heart rate speeds up, which can occur due to various factors such as exercise, stress, or fear.