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Pre AP Biology

Explore the sensory mechanisms of the outer, middle, and inner ear, including the cochlea and cochlear duct. Learn about volume and pitch perception, balance through semi-circular canals, taste, smell, and vision perception in the brain. Also, study the muscular system's role in movement, including the internal and external skeleton, muscle tissues, and different modes of locomotion.

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Pre AP Biology

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  1. Pre AP Biology Sensory Mechanisms (8.10) Part 1

  2. Outer Ear

  3. Middle and Inner Ear

  4. Inner ear - Cochlea

  5. Cochlear DuctWhere the hairs bend and “create” the electrical impulse

  6. Volume (loudness)The height of the sound waveBlue is loud; green is softer

  7. Pitch (Frequency)Number of sound waves in a given time

  8. Balance – Semi-circular CanalsHairs bending again.

  9. Taste – Chemoreceptors on the tongue

  10. Smell – Chemoreceptors in the nasal cavity

  11. Pre AP Biology Sensory Mechanisms (8.10) Part 2

  12. OscilliThe black spots are the oscilli

  13. Eye Cups

  14. Compound Eye

  15. Compound Eyes of a fly

  16. Single Eye

  17. Eye Structure

  18. Rods vs. Cones(Look at the shape)

  19. Vision perception in the brain

  20. Pre AP Biology Sensory Mechanisms (8.10) Part 3

  21. Muscular System - movement

  22. Internalgrowing skeleton

  23. Internal growing skeleton

  24. Hydroskeleton

  25. Exoskeleton

  26. Muscle Tissues

  27. Locomotion

  28. Swimming and the Fusiform body shape

  29. Walk/Run

  30. Flight

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