In her human development class, Dr. Ayers shows students several ...

[ETearle]

In her human development class, Dr. Ayers shows students several photographs of prenatal development. She points out the placenta and explains that its main purpose is to
 
  a. provide the fetus with carbon dioxide and oxygen.
  b. enable the maternal and fetal blood to mix so they will become compatible.
  c. provide the fetus with oxygen and nutrients and remove carbon dioxide and wastes from the fetus.
  d. protect and cushion the fetus from shock.

Question 2

The umbilical cord connects the
 
  a. amnion and chorion.
  b. blastula and zygote.
  c. heart and lungs.
  d. embryo and placenta.

[orangecrush]

Answer to Question 1

c

Answer to Question 2

d

[ETearle]

Thanks for the timely response, appreciate it

[kishoreddi]

Gracias!