Identify the structure connecting the fetus to the placenta, and name the extra-embryonic membrane from which it is derived
A) yolk sac; allantois
B) yolk sac; chorion
C) umbilical cord; allantois
D) umbilical cord; chorion
E) umbilical cord; amnion
Answer: C
Anatomy & Physiology
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Fill in the blank with the correct word.
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What makes hemoglobin red colored when combined with oxygen?
a. oxygen b. plasma protein c. sodium d. chloride e. iron
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The semicircular ducts lie within which of the following?
A. The semicircular canals B. The membranous labyrinth C. The middle ear cavity D. The vestibule E. The auditory tube
Anatomy & Physiology