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Human Sensory Organs
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Cochlea
Function: Hearing. Transforms the sound in mechanical vibrations into neural signals.
Tongue
Function: Gustation. Detects taste through taste buds that sense sweet, sour, salty, bitter, and umami.
Fovea
Function: Acute Vision. A small depression in the retina where visual acuity is highest due to the concentration of cones.
Nose
Function: Olfaction. Sensitive to airborne chemicals, enabling the sense of smell.
Lens
Function: Focus. Adjusts the focus of light onto the retina, allowing us to see both near and distant objects clearly.
Pacinian Corpuscles
Function: Deep Pressure and Vibration. Detects vibrations and deep pressure stimuli within the skin and joints.
Semicircular Canals
Function: Balance. Detects head movements and is involved in maintaining balance and equilibrium.
Meissner's Corpuscles
Function: Light Touch. Sensitive to light touch and vibrations, particularly in fingertips and lips.
Ears
Function: Hearing and Balance. Detect sound waves and head position/movement, converting them into nerve signals.
Skin
Function: Touch. Contains receptors for pressure, temperature, pain, and touch sensations.
Olfactory Receptors
Function: Smell Detection. Specialized cells that bind to odor molecules and send signals to the olfactory bulb.
Auditory Nerve
Function: Sound Signal Transmission. Carries auditory information from the cochlea to the brain.
Nociceptors
Function: Pain Detection. Sensory receptors located in skin, joints, and organs that signal the presence of tissue damage.
Retina
Function: Image Detection. Contains photoreceptor cells (rods and cones) that capture light and begin the process of visual perception.
Taste Buds
Function: Taste Sensation. Houses gustatory cells that respond to chemical stimuli from food, contributing to the sense of taste.
Cornea
Function: Light Refraction. The clear front layer of the eye that helps focus incoming light onto the retina.
Optic Nerve
Function: Visual Signal Transmission. Carries visual information from the retina to the brain for interpretation.
Olfactory Bulb
Function: Smell Processing. Receives neural input about odors detected by cells in the nasal cavity.
Macula
Function: Central Vision. Contains a high density of cones for sharp, detailed central vision.
Eyes
Function: Vision. Processes visual information by detecting light and converting it into electro-chemical impulses to the brain.
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