Home alone, you hear a noise in another room. Explain the reactions of each of the following to this situation:
A) Sensory neurons: They transmit signals to the brain, alerting you to the noise.
B) Sympathetic nervous system: It activates the "fight or flight" response, increasing heart rate and alertness.
C) Adrenal glands: They release stress hormones, such as adrenaline, to prepare the body for action.
D) None of the above reactions occur in this situation.
