Control and Coordination - Unit 15

Identify the part pointed.

• Nucleus

• Cell Body

• Axon

• Node of Ranvier

• Nucleus

• Cell Body

• Axon

• Node of Ranvier

• Nucleus

• Cell Body

• Axon

• Node of Ranvier

• Dendrites

• Axon Terminals

• Myelin Sheath

• Schwann Cells

What direction foes the electrical signal travel through the neuron?

• From dendrites, down the Axon, and out Axon terminals

• From Axon terminals, down the Axon, & out of the dendrites

• Any direction up or down the cell

• From the Axon, to the Dendrites, and out the Axon terminals

What is the generalised order during a nervous response?

• Receptor → stimulus → neurones → effector → response

• Response → receptor →neurones → effector → stimulus

• Stimulus → receptor → neurones → effector → response

• Stimulus → effector → neurones→ receptor → response

What type of neurone is shown on this picture as green?

• Sensory

• Relay

• Motor

• Synapse

When the axon is in resting potential, the inside has a negative charge.

• True

• False

A resting axon have ___ potential difference.

• +70 mV

• -70 mV

• -50 mV

• +30 mV

__________ is attached to the Z line?

• myosin

• actin

• thick filament

• troponin