Concept explainers
a.
To label: The structures of the placenta and the umbilical cord given in the figure of the text book.
Introduction: Human embryonic development is the formation and development of an embryo by cell division and differentiation. Embryonic development occurs in the first eight weeks after fertilization.
b.
To label: The structures of the placenta and the umbilical cord given in the figure of the text book.
Introduction: The umbilical cord attaches the placenta to the fetus. The umbilical cord carries oxygenated and deoxygenated blood to the fetus. The placenta filters the oxygen and the nutrients to the fetus. It removes waste from the fetal environment.
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Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion with WileyPLUS Blackboard Card Set
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