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Human Physiology, 7/e
Stuart I Fox, Pierce College
Sensory Physiology

Critical Thinking Exercises

Please answer all questions



1

Why does food taste differently when you have a stuffed nose?
2

What you are consciously aware of tasting is actually a combination of sensations from the mouth as well as from the nose.
3

At night, what color of light is used in the area of a submarine where the periscope is?
4

If you are looking at a faint star at night, is it best to look directly at it or a little to the side of its expected position?
5

Most stars are colorful: red, green, blue, or violet. Why can't we see any of these lovely colors here on earth unaided?








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