関連ワード:  function of reflex arc class 10    function of reflex action class 10    function of effector in reflex arc class 10    function of sensory neuron in reflex arc class 10    function of motor neuron in reflex arc class 10    function of spinal cord in reflex arc class 10    function of brain in reflex action class 10    role of brain in reflex arc class 10    function of reflex arc    what is reflex arc class 10