The Nervous System 4.0 / 5 based on 2 ratings ? BiologyNerves and hormonesGCSEAQA Created by: Daisy14Created on: 10-12-15 18:51 Neurone Nerve cells transmit the information as electrical impulses 1 of 12 Central nervous system (CNS) Where information from sense organs is sent and where reflexes and actions are coordinated. 2 of 12 Synapses The connection between 2 neurones. The nerve signal is transferred by chemicals which diffuse across the gap. 3 of 12 Eyes light receptors 4 of 12 Ears Sound receptors and balance receptors (sensitive to changes in position) 5 of 12 Nose Smell receptors (sensitive to chemical stimuli) 6 of 12 Tongue Taste receptors (sensitive to bitter, sweet, sour- chemical stimuli) 7 of 12 Skin Sensitive to touch, pressure, pain and temperature change 8 of 12 Sensory neurones Carry signals as electrical impulses from the receptor in the sense organs to the CNS 9 of 12 Relay neurones carry signals from sensory neurones to motor neurones 10 of 12 Motor neurones carry signals from the CNS to the effectors 11 of 12 effectors Muscles and glands are known as effectors. Muscles contract and glands secrete hormones 12 of 12
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