Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 20 - Section 20.4 - Figure 20.18 - An Illustration from William Harvey's De Motu Cordis (1628) - Page 762: 1

Answer

Fig 20.18.1 Nothing would happen at that point.

Work Step by Step

Valves prevent blood from flowing backward. The valve at that point would not allow the blood to flow backward (downward) and fill the vein.
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