Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 36 - Self-Quiz - Page 639: 6

Answer

d. both a and c

Work Step by Step

Red blood cells are the disk-shaped cells in blood vessels that carry oxygen. The oxygen in red blood cells is bound to a protein called hemoglobin.
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