Question

During which stage of fetal development do the heart and lungs of a fetus become fully developed and functional?

A.
first trimester
B.
fertilization
C.
third trimester
D.
second trimester

Answer 1

Answer:

C.

Explanation:

The fetus will develop a set of lungs in the 36th week, which is the third trimester

Answer 2

Answer:

Third trimester

Explanation:

Plato