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Understanding the Five Human Senses and Their Role in Information Gathering

This resource explores the five sensory organs in humans: eyes, ears, nose, skin, and tongue. Each organ is integral to gathering information from our surroundings. The eyes, facilitated by muscles and nerves, help us perceive visual stimuli. The ears capture sound waves, with structures like the eardrum transmitting vibrations to our brains. Our noses detect chemical signals in the air, while the skin senses touch, temperature, and pain. Lastly, taste buds on the tongue identify different flavors. Together, these senses allow us to interact effectively with our environment.

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Understanding the Five Human Senses and Their Role in Information Gathering

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  1. 1B3 Sensory System

  2. 1B3 Sensory System OB28 recall five sense organs in the human (eyes, ears, nose, skin, and tongue) and understand how these enable humans to gather information from their surroundings 

  3. eyelash muscle optic nerve eyeball skull bone eyelid

  4. sensory nerves bring message to brain how the eyes gather information

  5. sensory nerve external ear sensory cells ear canal skull bone ear drum structure of the ear

  6. 5. Sensory nerve takes message to brain 1. sound waves directed into the ear… 4. Vibrations are passed to sensory nerves 2. sound waves directed to the ear drum 3. sound energy vibrates ear drum how the ear gathers information

  7. sound sound “hello” “hello” information about sound travels to brain via sensory nerves

  8. skull bone blood supply nerve to brain Outside of nose sensory nerves structure of the nose nostril

  9. 3. Message brought to brain 2. chemical in air affect sensory nerves how the nose gathers information 1. air enters the nostrils OB28 recall five sense organs in the human (eyes, ears, nose, skin, and tongue) and understand how these enable humans to gather information from their surroundings click to see

  10. information about smell travels to brain via sensory nerve “whiff”

  11. hair sweat pore blood vessels sweat gland sensory nerves fat cells muscle structure of the skin

  12. how the skin gathers information “phew” “brrr” Information about pain, pressure, touch, temp. is sent via sensory nerves to the brain “ouch”

  13. tongue contains sensory neurons in taste buds

  14. humans detectfour tastes: sweet, sour, salt and bitter how the taste buds gather information sensory nerves bring messages to the brain

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