Ductless Glands That Release Hormones are Most Closely Associated with the _______

Question

Ductless glands that release hormones are most closely associated with the _______ system.
A) integumentary
B) respiratory
C) digestive
D) endocrine

Accepted Answer

Ductless glands are a characteristic feature of the endocrine system, which secretes hormones directly into the bloodstream for delivery to target organs and tissues. The other systems listed do not have a primary role in hormone secretion.