The organ system that consists of ductless glands that secrete hormones and the molecular receptors on target cells that respond to the hormones is known as the:

(A) digestive system.
(B) respiratory system.
(C) circulatory system.
(D) endocrine system.
(E) nervous system.

(D), endo crine system

Answered by MathG33k | 2024-06-10

Answered by wueseterijever | 2024-06-12

The correct answer is the endocrine system, which consists of ductless glands that secrete hormones and their corresponding molecular receptors. This system plays a vital role in regulating various bodily functions through the chemical communication of hormones. Key glands include the pituitary, thyroid, and adrenal glands, among others.
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Answered by Anonymous | 2024-10-01