Which cell relays messages from one tissue to another?

The brain has 3 major sections that send and receive signals to control all the activities that keep a person functioning efficiently. Which major section controls breathing and heart beat?

All parts of the nervous system except for the brain and spinal cord

A bundle of nerves that go to and from the brain.

Protective bones which surround and protect the spinal cord.

The largest part of your brain

This part of the brain processes sensory information

The part of the brain that controls involuntary processes

Actions which are NOT under your control

Actions which are under your control

The part of the brain in charge of involuntary actions such as breathing and heartbeat.

The part of the brain in charge of thinking and memory.

Any change in the environment

Action under the control of spinal cord.

The pathway impulse takes in reflex action