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Human Ear, Human Eye, waves - Coggle Diagram
Human Ear
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Stapes (stirrup)
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Last bone, touching inner ear
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Human Eye
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Blind spot
Point where the optic nerve leaves the eye; no rods or cones are present, so no image is detected there.
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Choroid
Layer containing blood vessels; supplies the eye with oxygen and nutrients and absorbs excess light.
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waves
Light Waves
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Travel at about 300,000 km/s in a vacuum.
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electromagnetic spectrum
From lowest energy to highest energy:
Radio Waves → Microwaves → Infrared → Visible Light → Ultraviolet → X-rays → Gamma Rays
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Sound Waves
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A mechanical wave.
Need a medium (solid, liquid, or gas).
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types of sound
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Audible Sound – 20–20,000 Hz
Ultrasound – Above 20,000 Hz
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