Unformatted text preview: body's internal environment, enabling them to reach the cells. absorptive feeders Animals such as tapeworms that ingest food through the body wall. acetylcholine A chemical released at neuromuscular junctions that binds to receptors on the surface of the plasma membrane of muscle cells, causing an electrical impulse to be transmitted. The impulse ultimately leads to muscle contraction. acetyl CoA An intermediate compound formed during the breakdown of glucose by adding a two-carbon fragment to a carrier molecule (Coenzyme A or CoA). acid A substance that increases the number of hydrogen ions in a solution. acid rain The precipitation of sulfuric acid and other acids as rain. The acids form when sulfur dioxide and nitrogen oxides released during the combustion of fossil fuels combine with water and oxygen in the atmosphere. acoelomates Animals that do not have a coelom or body cavity; e.g., sponges and flatworms....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10