Neurotransmitters

Question 1

Parts of a Neuron

The cell’s life-support center

Answer 1

Cell Body

Question 2

Parts of a Neuron

Electrical signal travelling down the axon

Answer 2

Neural impulse

Question 2

Parts of a Neuron

Passes messages away from the cell body to other neurons, muscles, or glands

Answer 2

Axon

Question 2

Parts of a Neuron

Receive messages from other cells

Answer 2

Dendrites

Question 2

Parts of a Neuron

Form junctions with other cells

Answer 2

Terminal branches of Axon

Question 3

Parts of a Neuron

Covers the axon of some neurons and helps speed neural impulses

Answer 3

Myelin Sheath

Question 4

Junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron

Answer 4

Synapse

Question 5

Tiny gap at this junction is called the __________

Answer 5

Synaptic gap or Cleft

Question 6

Chemical messengers that traverse the synaptic gaps between neurons

Answer 6

Neurotransmitters

Question 7

When released by the sending neuron, _________ travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether it will generate a neural impulse

Answer 7

Neurotransmitters

Question 8

Chemicals located and released in the brain to allow an impulse from one nerve cell to pass to another nerve cell

Answer 8

Neurotransmitters

Question 9

Nerve cells communicate messages by secreting _____________

Answer 9

Neurotransmitters

Question 10

Neurotransmitters can be ________ or _________

Answer 10

Excite or inhibit neurons