4. As the embryo develops, what do the amnion and the yolk sac become, respectively? a. A sac that will fill with fluid to cushion the developing embryo; part of the digestive tract b. The placenta and structures that nourish and support the embryo; part of the digestive tract c. Part of the digestive tract; a sac that ill fill with fluid to cushion the developing embryo d. A sac that will fill with fluid to cushion the developing embryo; the placenta and structures that nourish and support the embryo
4. As the embryo develops, what do the amnion and the yolk sac become, respectively? a. A sac that will fill with fluid to cushion the developing embryo; part of the digestive tract b. The placenta and structures that nourish and support the embryo; part of the digestive tract c. Part of the digestive tract; a sac that ill fill with fluid to cushion the developing embryo d. A sac that will fill with fluid to cushion the developing embryo; the placenta and structures that nourish and support the embryo
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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