Health and Social Care Unit 4 - Sensory Systems - Ear 0.0 / 5 ? Health & Social CareEarBTEC NationalAQA Created by: Lauren IvankoCreated on: 26-06-20 09:54 What travels through the Pinna? Sound waves 1 of 12 What does the Eardrum do? This vibrates when sound waves hit it 2 of 12 What are the three tiny bones in the ear? Malleus, Incus and Stapes 3 of 12 What does these 3 tiny bones do? These transmit vibrations across the eardrum and middle ear 4 of 12 What is the Cochlea? Contains a jelly like substance, the perilymph contained in coiled tubes 5 of 12 What is the Organ or Corti? Membranes that are lined with sensitive hair like structures 6 of 12 What does the Eustachian Tube do? Connects the middle ear with the throat, allows the same pressure of the atmosphere 7 of 12 What does the Round window do? Allows vibrations from oval window to pass through and it stimulates hairs 8 of 12 What does the Auditory Nerve do? Waves travel through this and the brain registers it as sound 9 of 12 What are the roles of the Semi-Lunar Canals? Fluid filled tubes, movement in this fluid sends messages to brain 10 of 12 What is the Ampullae connected to? Connected to cochlea 11 of 12 What does the Ampullae do? Gives the brain information orientation and movement 12 of 12
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