Within a mammalian body, which of the following signals would need to travel the LONGEST distance to reach its target cell?

Question

Quizplus · Accepted Answer

Hormone signals travel throughout the entire body via the bloodstream, while paracrine and autocrine signals only travel locally within the tissues. Neurotransmitters are typically released from neurons and travel across small gaps to target cells. Pheromones are external chemical signals that are received by individuals of the same species. Therefore, hormone signals would need to travel the longest distance to reach their target cells.

Within a Mammalian Body, Which of the Following Signals Would