________ are chemical messengers that are released in one tissue and transported in the bloodstream to alter the activities of specific cells in other tissues.
A)Hormones
B)Neuropeptides
C)Neurotransmitters
D)Paracrine factors
E)None of the answers is correct.

Question

Quizplus · Accepted Answer

Hormones are specifically released in one tissue and transported through the bloodstream to affect activities in other tissues. Neuropeptides and neurotransmitters are released locally within the nervous system or other tissues, while paracrine factors affect nearby cells.

________ Are Chemical Messengers That Are Released in One Tissue