Final answer:
The correct option is D). The general term for a chemical substance produced and transported by the body for stimulating cellular responses is a hormone. It binds to target cell receptors to elicit a response.
Step-by-step explanation:
The general term for a chemical substance that the body produces and transports through the blood to stimulate a cellular response is a hormone. A hormone is released in response to a stimulus, travels through the body, and then binds to receptors of target cells to elicit a response. These hormones can be of various types, including peptides like insulin which regulates blood glucose levels, cortisol which helps in responding to stress, and oxytocin which is known for its role in labor and social bonding.