Nervous System 2

Question 1

signals sent by the nerve cells to help coordinate with other nerve cells or other parts of the body.

Answer 1

Nerve Impulse

Question 1

• flow of ions.
• electrochemical signal activated by a stimulus.

Answer 1

Nerve Impulse

Question 2

one neuron to another until it reaches a tissue or organ that will elicit an appropriate response to the stimulus.

Answer 2

Nerve Impulse

Question 3

the body’s chemical messengers.

Answer 3

Neurotransmitters

Question 4

molecules used by the nervous system to transmit messages between neurons, or form neurons to muscles.

Answer 4

Neurotransmitters

Question 5

bundle of nerve fibers or axons that transmit nerve impulses.

Answer 5

Nerve

Question 6

Nerve Fiber can be:

Answer 6

• non-medullated
• medullated

Question 7

• an adipose or fatty covering of a nerve.

Answer 7

Myelin Sheath

Question 8

• constricted at intervals along the nerve.
• areas where transmission of impulses occurs.

Answer 8

Myelin Sheath

Question 9

gaps or spaces between the neurons.

Answer 9

Synapse

Question 10

Three Essential Structure of Synapse

Answer 10

Presynaptic Unit
Synaptic Cleft
Post synaptic Unit

Question 11

special network.

Answer 11

Neuronal Circuits

Question 12

helpful in maintaining the internal balance of the body.

Answer 12

Neuronal Circuits