What is an important part of the endocrine system that acts as a chemical messenger?

spinal cord
arteries
neurons
hormones

Respuesta :

Hormones - they travel through the blood to other parts of the body. Hope This Helps!

Answer:

Hormones

Explanation:

I know another user already said this but, you said if another person answers you would give them Brain.

So I am answering so they can get Branliest