BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 33, Problem 2SA
Summary Introduction

Introduction:

The human heart undergoes double circulation. The first circulation occurs when the deoxygenated blood from the body enters the right chambers and is transported to the lungs. Whereas, other organisms undergo single circulation where blood only passes one time through the heart.

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