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Do People Use only 10 percent of their Brain?

Biology

I ran across this article while browsing the 'net on Friday night (yeah - say what you will.....).

Scientific American - Do People Only Use 10% of their Brain?

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Brain Crossword

Biology

Clues


ACROSS
1. Composed of the brain and spinal cord (3 words). [hint]
8. Contains photoreceptors; on the inner posterior portion of eye. [hint]
9. "Inside the mouth"
11. Electrical brain activity recorded with scalp or brain electrodes
(abbreviation).[hint]
13. Necessary for hearing.
15. Cell body. [hint]
17. Neurotransmitter in brain, spinal cord and peripheral nervous system
(abbreviation). [hint]
18. Outermost layer of meninges. [hint]
19. Neurotransmitter lacking in patients with Parkinson's disease.
21. Supportive cells of the nervous system; "glue". [hint]
22. Nerve cell. [hint]
23. Photoreceptor that is not used for color vision. [hint]
24. Photoreceptor that is used for color vision. [hint]
26. The sense of hearing.
29. Opposite of "Yes"
30. Junction between two neurons. [hint]

DOWN
1. In the brain, it is the outermost layer of the gray matter.
2. The fifth cranial nerve. [hint]
3. The middle layer of the meninges. [hint]
4. The part of the cell containing chromosomes.
5. Period of sleep when dreams occur (abbreviation). [hint]
6. The second cranial nerve. [hint]
7. Fat-like substance that surrounds some axons. [hint]
10. The first cranial nerve. [hint]
12. Fluid that fills the ventricles (abbreviation). [hint]
14. Part of neuron that takes information TO the cell body. [hint]
16. Short for "mother".
18. Electrical brain activity between 2 and 4 Hz. [hint]
20. Part of neuron that takes information AWAY from the cell body. [hint]
22. A short written letter.
24. Abbreviation for 1 across.
25. Organ for vision.
27. Opposite of "off".
28. Opposite of "yes".

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Brain Link

BiologyThis is the link used in class on the brain:

http://www.pbs.org/wnet/brain/3d/index.html
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Independent Study Unit

Biologyhttp://www.horton.ednet.ns.ca/staff/selig/isu/Immunity/

The link above is the last unit we are covering for Biology 11. It is on the Immune system. There are 7 assignments associated with this unit. Good luck.
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Digestion - a Virtual Tour #2

Biologyhttp://www.kidshealth.org/misc/movie/bodybasics/digestive_system.html
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Digestion - a Virtual Tour

BiologyAs we are starting a new unit on digestion, I thought you might be interested in a virtual tour. The link is http://www.medtropolis.com/VBody.asp

They have done a fantastic job on this - check it out. We will be using this resource in class as well.
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The Microscope

BiologyHere is the link to the virtual microscope. Link

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Biology Links

BiologyWe've been talking about various biology definitions. Specifically, we've talked about:
  • hypertonic solutions
  • hypotonic solutions
  • isotonic solutions
  • osmosis
  • active transport
  • passive transport

  • Here is an animation that shows the effects of tonicity on a cell under various conditions. Link