split 2

Question 1

Neurotransmitters are…

Answer 1

Neurotransmitters are chemicals produced by the nerve cells

Question 2

Neurotransmitters regulate…

Answer 2

Neurotransmitters regulate how the body responds to the environment

Question 3

how they regulate (neurotransmitters)

Answer 3

The chemical at the end of the first
nerve cell moves toward the receptors

The chemical attaches itself to the
receptor {lock and key}

Now the receptor with the chemical sends a message through its nerve cell to either a muscle, gland or another nerve cell
telling it what to do

Question 4

Note*

Answer 4

Each receptor is specific and can only respond to a specific chemical {nerve signal}, which fits into the receptor