Practice question

Go with B — Retroperitoneal gland. Within Digestive System, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, endocrine control is about which gland or messenger acts where, and Retroperitoneal gland is the accurate match. Holding that picture in mind makes Retroperitoneal gland feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by Retroperitoneal gland.