Human Biology I Course Description

Monday, August 13, 2012



Nov 4. Review of sessions with Ms. Vig.
Nov 5. Comparison of human and orang-utan skulls.  Examples of the spherical and radial form principles in the human skeleton.  Is there anything in-between?  Drawings of a human and an orang-utan skull. 
Nov 6.  Multiple handouts to feet, hands, legs & vertebral column,  Description of how feet, legs, spinal column are transformed through our activity as we begin to overcome gravity by achieving uprightness as we learn to stand and walk.
Nov 7.  Handout.  Describe your experience of being without vision during our outing to the lake.
Nov 8.  Describe the appearance of the eye from without: colors, shapes.  Why is the iris of a newborn normally blue?

Nov 11. Why is the pupil black when it opens up into a light-filled space?  Drawing of the eye.  Describe/explain the: sclera, cornea, aqueous humor + anterior & posterior chambers, lens, vitreous body
Nov 12. Labeling of the eye drawing.  The path of the light through the eye. Accommodation: sketches with explanation: Looking at a distance and close up;  the working together of ciliary muscle, radial fibers and lens.
Nov 13. Near- and far-sightedness and how they are corrected (with sketches). The fovea centralis. Differences between rods and cones. Why does the weak star disappear when looked at directly?  Drawing of the retina.
Nov 14. Why don’t we see a weak star when we look right at it?  Why are we more sensitive to movement in our peripheral vision?  Explain the blind spot.  Rhodopsin: when is it broken down and when regenerated?  How does this affect our vision?
Nov 15.  Table of minimum distance… Measure this for yourself and at least one parent for tomorrow.  Presbyopia: explain what happens as we age.  Six extrinsic eye muscles & the movements they produce (w. drawing). Strabism. 

 Nov 18. Table of minimum distance... with data from the class and parents.  Eye disorders. Handout of the optic tract with the primary, secondary and tertiary visual centers, including short description of what we see there.

Nov 19. Handouts that show how our seeing is not only a bodily activity, but that seeing things in different ways includes the organizing and interpreting activity of our thinking. “There is more to seeing than meets the eye”.    Drawing: the Organs of the Ear.

 Nov 20. Middle Ear: “Rock Concert Effect” & “Cable Car Effect”.  Handout with three drawings.  Explain how sound waves passing through the cochlea cause its hair cells to create nerve impulses to brain.  Table of human hearing decline (in Herz) with age. Table of maximum frequencies heard by humans and some animals.  SENSE OF EQUILIBRIUM (Balance). Three semicircular canals and how they function (w. sketch). Ampula sketch and explanation. Utriculus sketch w. explanation. 


Faculty:                    Michael Holdrege, High School Sciences Teacher
Class Dates:           October 28-November 22, 2013
Curriculum Area:   Morning Lesson Block

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