<u>Answer:
</u>
The substance that Rayna has discovered is most probably a neurohormone.
<u>Explanation:
</u>
- The special regulatory substance that is produced by the brain in response to a specific sensation or an internal process happening within the body is referred to as a neurohormone.
- Such hormones travel to various parts of our body through the medium of blood and initiate internal actions that bring substantial temporary changes in the functioning of the organs.
- The secretion of hormones mostly happens as a result of an external stimulus.
Answer:
i'd say it's a :) hope it helped be
Explanation:
The main idea of the passage is the third answer: Maxine Kumin's contribution as the US poet laureate.