[Campbell Biology P.1102] Which extraembryonic membrane is primarily responsible for gas exch... | Practice Question

Which extraembryonic membrane is primarily responsible for gas exchange in both mammals and reptiles?

  • A: Amnion
  • B: Chorion
  • C: Allantois
  • D: Yolk sac

Explanation

According to the text, 'The chorion is the site of gas exchange, and the fluid within the amnion physically protects the developing embryo.'