EBK BIOLOGY
EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 34.5, Problem 1BC
Summary Introduction

To explain: Whether there is a mixing of the maternal and fetal blood.

Introduction: The placental animals nourish their offspring by the attachment of the embryo to the uterus lining, which under the influence of the growth factors, forms the placental chord that has a rich supply of blood. The placenta helps in the exchange of gases and waste products and also it intakes vitamins, minerals, antibodies, and nourishment from the maternal blood.

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Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY