Question

When a signal needs to be sent to most cells throughout a multicellular organism, the signal most suited for this is a ___________. A. neurotransmitter B. hormone C. dissolved gas D. scaffold

Answer 1

The correct option is: B. hormone

Step-by-step explanation:

A hormone is a type of signalling molecule in multicellular organisms. The glands responsible for secreting hormones form the endocrine signaling-system.

Hormones are the chemical compounds that are transported by the circulatory system to the various organs to regulate behavior and physiology in a multicellular organism.