Nervous System Revision

The brain and the spinal cord is part of the __________

• Central Nervous System

• Peripheral Nervous System

The PNS mainly consist of ___________

Which part of the nervous system can detect changes in temperature?

• sensory neuron

• relay neuron

• receptor

• effector

Which type of neuron is found only in the spinal cord? __________ neuron

Which neuron works closely with the skin receptor? ______ neuron

When the effector receives the nerve impulses, it will _______ and withdraw.

Nerve impulses go across a synapse by _______.

• chemical means

• heat

• diffusion

• osmosis

How would you describe a reflex?

• voluntary and immediate

• involuntary and slow

• voluntary and slow

• involuntary and immediate

A reflex arc would transmit nerve impulses to the spinal cord and brain.

• true

• false

A change in the environment is known as a/an __________.

• receptor

• effector

• stimulus

• neuron