NERVOUS SYSTEM

What is the longest fiber in a neuron called?

• dendrite

• cytoplasm

• axon

• stimuli

cells or group of cells that detect stimuli.

• neurone

• nerves

• receptors

• effectors

Peripheral nervous system is...

• The brain and spinal cord

• CNS

• The nerves outside the brain and spinal cord

• PNS

What is the function of miyelin ?

• insulates the nerve fibres

• helps to carry impulses

• responds to stimuli

• feeds nerve cells

changes in the invironment that can be detected by organisms

• receptor

• effector

• stimuli

• coordination

Slower method of sending information in animals from receptors to effectors

• by nerves

• by receptors

• by coordination

• by hormones

What can we see in the picture?

• spinal cord

• receptor

• arc

• neurone

A cell that is specialised for conducting electrical impulses rapidly

• spinal cord

• brain

• receptor

• neurone

identify the parts of the peripheral nervous system?

• spinal cord

• nerve impulse

• receptors

• nerve

a neurone that transmits electrical impulses within the central nervous system

• sensory neurone

• relay neurone

• CNS

• motor neurone