nervous system grade 9A

specialized nerve cells that help you gather information.

• skin cell

• neurons

• muscle cell

• blood cell

pass signals they receive on to the cell body in electrical impulses.

• cell body

• dendrites

• axon

• axon ending

the part of the neuron that contains the nucleus and other organelles.

• cell body

• axon

• axon ending

• dendrites

the long part of a neuron that conducts information from the cell body to other cells.

• axon

• axon ending

• dendrites

• cell body

the nerve pathway that leads to an involuntary response to a stimulus.

• motor

• sensory

• reflex arc

• threshold

The minimum stimulus to cause an action potential.

• action potential

• Threshold

• reflex arc

• neuron

small gap between the axon of one neuron and the dendrite of another neuron

• gap

• cell body

• synapse

• neurotransmitter

a chemical released by a neuron that causes an electrical signal to pass from that cell to another cell

• neurotransmitter

• synapse

• action potential

• all the answer