203,040 research outputs found

    nervous systems

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    nervous systems. chen. j. h.. 030106. - human nervous system might be the most intricately organized aggregate on. earth - over 50 million nerve cells in one cubic centimeter: each of which may. communicate with thousands of othe

    sensory and motor mechanisms

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    sensory & motor mechanisms. chen. j. h. 030109. sensing. acting. & brain. the brain’s processing of sensory input & motor output is cyclical rather than. linear. - it is customary to think of sensations causing brain changes whic

    regulating the internal environment

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    regulating the internal environment. chen. j. h. 021118. an overview of homeostasis. regulating & conforming are the two extremes in how animals cope with. environmental fluctuations. - regulator: animals use mechanisms of homeostasi

    Chen, J. H.

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    an introduction to animal structure and function

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    an introduction to animal structure & function. chen. jh. 020819. functional anatomy: an overview. animal form & function reflect biology’s major themes. - natural selection provides a mechanism for long-term adaptation

    circulation and gas exchange

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    circulation & gas exchange. chen. jh. 021107. circulation in animals. transport systems functionally connect the organs of exchange with the. body cells: an overview. - diffusion: diffusion rate is proportional to the square of th

    animal reproduction

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    animal reproduction. chen. jh. 021212. overview of animal reproduction. both sexual & sexual reproduction occur in the animal kingdom. - asexual reproduction: the genes of new individual all come from one paren
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