Hormones are chemical messangers that travel in the blood to activate target cells.
Hormones are produced by various glands.
Act for a long time
Act in a more general area
Neurones - transmit infomation as electrical impulses.
myelin sheath acts as an electrical insulator to stop the impulse from getting lost also speeds up message.
synapse gap between two neurones impulse is transmitted by neurotransmitters which diffuse across the gap the impulse is carried on in the next neurone
thanks for revising