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Name Class Date Chapter 27 Vocabulary Review Match the image with the best term. Image Term 1. A. lung B. gill C. closed circulatory system D. open circulatory system E. nephridium 2. 3 4 5 For Questions 6–13, write True if the statement is true. If the statement is false, change the underlined word or words to make the statement true. 6. Intracellular digestion is the process in which food is broken down outside cells and then absorbed. 7. Kidneys concentrate the wastes and add them to digestive wastes traveling through the gut. 8. Many invertebrates and all vertebrates digest food in a gastrovascular cavity, which has two openings. 9. Excretion is the elimination of metabolic wastes from the body. 10. A pouchlike extension of a stomach in which symbiotic bacteria digest cellulose is called a rumen. 11. Atria pump blood out of the heart. 12. Circulatory systems contain a pumplike organ called a heart. 13. Alveoli in lungs provide an enormous surface area for gas exchange. 434