Chapter 2 Presenting Psychology

Axon terminal

Transmit messages to other neurons.

involuntary muscles are controlled by the

autonomic nervous system

motor neurons

carry impulses from the brain and spinal cord to muscles or glands.

Agonist

heroin mimics the actions of endorphins, inhibiting pain signals and creating a "high" feeling. Heroin is...

Myselin Sheath

insulates the axon, speeds the message

sensory neurons

receives impulses and carries them from the sense organs to the spinal cord or brain.

Axon

sends messages from the cell body

what is the master gland?

the pituitary gland

Dendrite

Branchlike parts of a neuron that are specialized to receive information.

Soma

Keeps the cell functioning and alive

True or false? norepinephrine is an excitatory neurotransmitter?

TRUE it is an excitatory.