Post on 20-Jun-2015
description
awan
Reflex action
Voluntary action
Brain
Sensory
neurons
Motor neuron
s
reseptor efectorstimulus
respone
Spinal cord
Sensory
neurons
Motor neuron
s
reseptor efectorstimulus
respone
Impuls
Accommodation is the process by which the eye changes optical power to maintain a clear image or focus on an object as its
distance varies