What is the main purpose of the nervous system in the human body?
a-releasing hormones to regulate body functions
b-circulating oxygen throughout the body
c-relaying messages between the body and brain
d-protecting the body from foreign invaders
Neurons in the brain communicate via electrical impulses and neurotransmitters. The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.
