Which of the following is most likely to involve the circulatory system?
A) Paracrine signals
B) Parasitic signals
C) Autocrine signals
D) Hormones
E) Responders

Question

Quizplus · Accepted Answer

Hormones are chemical signals that are transported throughout the body via the circulatory system. This is why the endocrine system (which produces and secretes hormones) is closely linked to the circulatory system.

Which of the Following Is Most Likely to Involve the Circulatory