. Animal biology. Zoology; Biology. MATTER 13 blood there is about per cent of salt in solution. If the blood is diluted with water, the red blood cells will immediately absorb additional water, swell, and may even burst. If, however, salt is added to the blood the red cells will shrink and their surrounding membranes will become very wrinkled or crenated. This swelling and shrinking of the blood cells caused by water entering or leaving them rapidly are phenomena of osmosis and osmotic pressure (Fig. 4). Osmosis is a veiy important phenomenon in all living things. The intake into Hving ti


. Animal biology. Zoology; Biology. MATTER 13 blood there is about per cent of salt in solution. If the blood is diluted with water, the red blood cells will immediately absorb additional water, swell, and may even burst. If, however, salt is added to the blood the red cells will shrink and their surrounding membranes will become very wrinkled or crenated. This swelling and shrinking of the blood cells caused by water entering or leaving them rapidly are phenomena of osmosis and osmotic pressure (Fig. 4). Osmosis is a veiy important phenomenon in all living things. The intake into Hving tissues of oxygen, digested foods, and water and the elimination from living tissues of carbon dioxide gas and other waste products are brought about by the passage of molecules through a semipermeable membrane from a place of higher con- centration of these molecules to a place of lower concentration. In this physical manner chemical substances necessaiy for life activities come into living tissues, while the harmful chemical waste substances that are produced in living tissues are eUminated from Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wolcott, Robert Henry, 1868-1934; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.


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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology