Vitamin D can be produced by the ____________________ upon exposure to sunlight
Fill in the blank(s) with correct word
skin
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The process of sensation begins in a _____, which can be either a primary sensory neuron or a separate cell
a) sensory receptor cell. b) signal transducer cell. c) secondary sensory neuron. d) effector cell. e) association neuron.
The term metabolism is best defined as ________.
A) the length of time it takes to digest and absorb fats B) a measure of carbohydrate utilization, typically involving measurement of calories C) the number of calories it takes to keep from shivering on a cold day D) biochemical reactions involved in building cell molecules or breaking down molecules for energy
About 90 percent of the cells in the CNS are ____________________ cells
Fill in the blank(s) with correct word
What structure contains the receptor cells for hearing?
What will be an ideal response?