Question

hormones are intracellular messengers or intercellular messengers? why?​

Answer 1

Answer:

Second messengers are intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules—the first messengers. ... First messengers are extracellular factors, often hormones or neurotransmitters, such as epinephrine, growth hormone, and serotonin.