March 16, 2018

Download e-book for kindle: Animal Physiology From Genes to Organisms by Lauralee Sherwood

By Lauralee Sherwood

ISBN-10: 0840068654

ISBN-13: 9780840068651

Animal body structure: From Genes to Organisms 2d version
Keep up with todays speedy advances within the organic sciences with ANIMAL body structure: FROM GENES TO ORGANISMS 2E with CourseMate!
With assurance of animal species that might be proper on your animal-related occupation, this biology textual content provide you with the instruments you want to succeed.
Boxes stumbled on through the textual content comparable to Molecular Biology and Genomics, past the fundamentals, demanding situations and Controversies, Unanswered Questions, and a more in-depth examine model provide you with examples of state-of-the-art examine and assist you see how what you're studying applies to the genuine world.
Check Your knowing questions after each one significant part assist you evaluation the most principles as you learn. each one bankruptcy then ends with a bankruptcy precis, a suite of assessment, Synthesize, and research questions, and a listing of urged Readings for additional examine.

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Animal Physiology From Genes to Organisms by Lauralee Sherwood PDF

Animal body structure: From Genes to Organisms 2d variation stay alongside of todays fast advances within the organic sciences with ANIMAL body structure: FROM GENES TO ORGANISMS 2E with CourseMate! With insurance of animal species that might be proper in your animal-related profession, this biology textual content provide you with the instruments you want to prevail.

Extra resources for Animal Physiology From Genes to Organisms

Example text

Some physiologists recognize a third category, avoiders, which may not be capable of internal regulation but which nevertheless can minimize internal variations by avoiding environmental disturbances (Figure 1-7). For example, most organisms (including nonanimals) are thermoconformers (body temperatures equal to that of the environment), whereas birds and mammals are generally thermoregulators, maintaining a stable internal temperature regardless of the environmental temperature. But some thermoconformers (such as some fish and insects) can avoid large changes in body temperature by changing their locations in the environment (see Chapter 15).

Coordination, and control Epithelial tissue is made up of cells specialized in the exchange of materials. This tissue is organized into two general types of structures: sheets and secretory glands. Epithelial cells are joined together very tightly to form epithelial sheets that cover and line various organs. For example, the outer layer of the skin is epithelial tissue, as is the inner lining of the digestive tract. In general, these epithelial sheets serve as boundaries that separate animals from the external environment and from the contents of cavities that communicate with the external environment, such as the digestive tract lumen.

As cells remove nutrients and O2 from the internal environment, these essential materials must constantly be replenished for each cell’s ongoing maintenance of life processes to continue. Likewise, wastes must be removed from the internal environment so they do not reach toxic levels. Other elements in the internal environment that are important for maintaining life also must be kept relatively constant. The functions performed by the various body systems contribute to homeostasis, thereby maintaining within animals the environment required for the survival and function of all the cells of which organisms consist.

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Animal Physiology From Genes to Organisms by Lauralee Sherwood


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