Of the four extraembryonic membranes of developing amniotes, the __________ functions as a gas-exchange organ
A) Allantois
B) Amnion
C) Chorion
D) Yolk sac
Fill in the blank with the correct answer.
Answer: C
You might also like to view...
How does the function of dendritic spines in the CNS differ from dendrites in the PNS?
What will be an ideal response?
The model of the plasma membrane as a lipid bilayer studded and penetrated by proteins is known as the ____________________ model of membrane structure
Fill in the blank(s) with correct word
Which term is a synonym for "prime mover"?
A) Agonist B) Fixator C) Synergist D) Antagonist
Which of the following statements is true?
A. Only sodium diffuses from the descending limb. B. Solutes are actively transported from the ascending limb. C. Na+ and Cl- ions are actively transported into the vasa recta. D. The osmolality of the descending limb decreases as filtrate moves through. E. Water moves by osmosis out of the ascending loop.