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# Biology ## The Human Senses The image shows notes on the human senses and their corresponding organs. **Sensory Organ:** | **Stimulus** | **Description** ---|---|--- Eye | Sight (photons) | Photons hitting the retina Ear | Hearing (sonic waves) | Sonic waves reaching the outer ear Nose (Olfacto...

# Biology ## The Human Senses The image shows notes on the human senses and their corresponding organs. **Sensory Organ:** | **Stimulus** | **Description** ---|---|--- Eye | Sight (photons) | Photons hitting the retina Ear | Hearing (sonic waves) | Sonic waves reaching the outer ear Nose (Olfactory cells) | Smell (chemical molecules) | Chemical molecules reaching olfactory cells Tongue (Taste buds) | Taste | Chemical molecules connecting to taste buds Skin | Touch | Pressure, heat/cold registered by different cells **The Skin:** * Largest organ (about 10 kilograms) * Protects from UV-rays, water, bacteria * Produces sweat and vitamin D * Controls body temperature * Covers about 2 square meters of the body. **Notes:** The notes also describe how different senses work by detailing the stimulus (e.g., photons, sonic waves, chemical molecules), the sensory organs that detect the stimulus and how these signals are transferred for the brain to process.