Final answer:
The endocrine system uses chemical signals to communicate, sending hormones through the bloodstream to elicit responses from target cells. In contrast, the nervous system can use both electrical and chemical signaling, with somatosensory transduction resulting in the travel of electrical signals through the brain. The correct option is B.
Step-by-step explanation:
The signal employed by the endocrine system is chemical in nature. This system sends signals throughout the body using hormones, which are chemicals secreted by endocrine organs into the extracellular fluid. These hormones are then transported via the bloodstream to target cells where they bind to receptors, triggering a specific response.
Compared to the nervous system, which can utilize electrical and chemical signaling, the endocrine system's chemical signals are typically slower to prompt a response but can have longer-lasting effects.
As for the somatosensory system, after somatosensory transduction, the sensory signal travels through the brain as an electrical signal. This is part of neural communication, which can result in quick responses necessary for functions such as movement, sensation, and cognition.
Sensory transduction refers to the conversion of a stimulus into an electrical signal by the peripheral nervous system, which is then further processed in the brain.