Which of these is NOT a function of the lymphatic system? A. Secrete regulatory hormones
B. Disposes of debris
C. Return fluid to blood vessels
D. Involved in immunity
Which of these is NOT a function of the lymphatic system? A. Secrete regulatory hormones
B. Disposes of debris
C. Return fluid to blood vessels
D. Involved in immunity
The correct answer is A. Secrete regulatory hormones.
The lymphatic system primarily functions to disposes of debris (B), return fluid to blood vessels (C), and is involved in immunity (D) by producing and transporting lymphocytes. However, it does not secrete regulatory hormones; that function is more closely associated with the endocrine system.