Biology: Sensory Receptors & Responses

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Flashcards covering key vocabulary related to sensory receptors and responses in biology.

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13 Terms

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Mechanoreceptors

detect pressure, touch, and sound.

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Chemoreceptors

detect chemicals, such as odor and taste.

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Photoreceptors

detect light.

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Thermoreceptors

detect heat and cold.

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Nociceptors

detect pain

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Hair cells (mechanoreceptors)

Receptors for hearing and balance.

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Semicircular canals

Location of balance detection in the inner ear.

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Rods

Photoreceptors in the eyes that detect light and dark.

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Cones

Photoreceptors in the eyes that detect color.

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Step 1: Stimulus hits..

Sensory receptor

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Step 2: Membrane potential changes

Graded potential

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Step 3: If threshold met

Action potential fires

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Q: Step 4: Signal travels to...

Brain or spinal cord (CNS)