Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 49 - Circulatory Systems - 49.1 - Circulatory Systems Serve Many Functions - 49.1 Recap - Learning Outcomes - Page 1045: 3


The main advantage of a closed circulatory system is the speed of blood flow, which increases the amount of nutrients a cell will receive in a given span of time. With increased transport efficiency, animals with closed circulatory systems were able to develop larger body sizes.

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