Transcription of Circulatory and Respiratory Systems
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Name Class Date Chapter 33 Workbook A Copyright by Pearson Education, Inc., or its affi liates. All Rights Circulatory and Respiratory Systems Structure and FunctionQ: How do the structures of the Circulatory and Respiratory Systems allow for their close functional relationship?WHAT I How are oxygen and carbon dioxide exchanged between humans and the environment? What structures transport substances throughout the human body? What are the roles of blood and the lymphatic system in the body?WHAT I KNOWSAMPLE ANSWER: The heart pumps blood, and blood vessels carry blood throughout the ANSWER: Pulmonary circulation pumps blood from the heart to the lungs and back.
Functions of the Circulatory System The circulatory system transports oxygen, nutrients, and other substances throughout the body, and removes wastes from tissues. The Heart The muscle layer of the heart is the myocardium .
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